Hello everyone and welcome to my new story Classroom with a Twist! I hope you all enjoy it!

WARNING: If you do not like the idea of Nagisa being a female or the fact that this will be a Karma x Nagisa fanfiction, then this is not a story for you.

DISCLAIMER: I do not own Assassination Classroom or any of the characters. Only small bits and pieces are my own ideas. I acknowledge all rightful owners.

"Anything can be a sword if you polish it enough."

-Nagisa Shiota

Chapter 1: Assassination Time

A tense silence fell upon a seemingly 'normal' classroom that was full of students with their heads tilted down deep in thought. The students inside the classroom seemed a bit nervous and were waiting for an event that was about to take place.

All of the class members heard a sudden loud crash. The crash caused a large wave of wind to hit the classroom building that caused it to shake. A female green haired class member with pigtails either side of her hair and bangs that brushed the top of her eyebrows inhaled and exhaled a sharp breath and looked out the window with her hazel eyes that was right next to her. Another classmate lifted their head up while they furrowed their eyebrows with a determined look and was preparing their self for what is going to take place in a short while. This classmate had a matching pair of blue eyes and hair that was styled into two messy-bun-like-pigtails with bangs just like the green haired female but with two pieces of chin length hair that framed their face and was also a female.

The students heard a slithering noise that was coming from down the hall that was moving closer to the classroom by every second. A male member of the class clenched his near chattering teeth in nervousness and gulped loudly. The door of the classroom was opened by the cause of all of the strange noises and was soon closed again when it was inside. The students slightly lifted their heads up slowly and looked at the creature that was standing before them.

A roll book was placed onto a wooden desk that was at the front of the classroom facing the students by a yellow tentacle. "Alright people." A voice said strongly. "Let's get started, shall we? Class monitor, if you would do the honours." A yellow creature with a bunch of tentacles wiggling around in the air with a large inhuman smile on its face paired with black beady eyes continued. The creature wore a strange outfit that covered nearly all of its body with a black tie with a yellow waxing crescent moon on it just resting on top of his heart.

"Right." The blue-headed female stated confidently while raising from her seat. "Ready!" She continued with her voice raised a bit. With that, all of the class members stood up with a gun in their hands, aiming at the yellow creature. "Aim!" She commanded again taking a short pause. The yellow creature silently observed all of the students pointing their guns at him and patiently waited. "Fire!" When the word came out of the blue-headed female's mouth, the sound of guns firing at their target erupted. With that, the creature effortlessly dodged all of the incoming bullets with an impossible speed.

"Oh. Oh my." The creature joked while continuing to dodge all of the bullets heading his way. "Well, why don't I just call roll while you children wear yourselves out. Isogai?" The creature called.

"Here." A male class member said with a normal tone like everyone was not firing a gun at a peculiar looking creature.

"What was that? I'm afraid I couldn't make that out over all of the gun fire." The creature stated.

"Here!" Isogai stated louder.

"Okajima?" The creature asked.

"Here!" Another male replied.

"Okuda?"

"Here!" This time a female voice replied.

"Kataoka?"

"Here!" Another female called out.

"Kayano?"

"Here!" The green haired girl called.

"Kanzaki?"

"Here!" A female voice replied.

The creature called out the rest of the roll and by the end of it; all of the students were panting and had different levels of defeat on each of their expressions. "All presented accounted for." A certain yellow creature said with a bubbly voice while closing the roll book. "No ditchers, congratulations!" The creature spoke while his face turned a bright orange with a darker shade of orange in the shape of a circle.

All of the students continued panting but they were all easing up a bit. A blonde-haired female with a pair of bright blue eyes that went by the name Nakamura sighed out aloud. "He's fast."

Isogai, a boy with dark brown hair and pale gold eyes spoke nearly straight after Nakamura. "The whole class opened fire and he doesn't even have a scratch." He said disbelievingly with a slight puzzled expression on his face.

The blue-headed female also known as Nagisa looked down and stared at her gun. 'Yup.' She thought. 'We're assassins,' Nagisa paused. 'And our target.' Nagisa removed her gaze from her gun to her yellow tentacle filled teacher. 'Is our teacher.' She thought finally.

"No luck today either hey? That's really too bad." The creature said clearly faking its pity. "What's the lesson here? Numbers are no substitutes for inventiveness perhaps? That any hack can get a gun and pull a trigger? Some of column 'A', some of column 'B'? I get your trying to cast the net as widely as possible, but the approach lacked originality." The teacher said like it was very normal. "When the target moves at mach 20, an assassin needs to think outside the box." The creature finished.

A short and sharp laugh came from a male class member that had orange-brown hair and light brown eyes. His name was Maehara. "Right, mach 20. No freaking way did you dodge that many bullets." Maehara said accusingly pointing his finger at the yellow creature.

"He's got a point." A spiked black haired and dark blue-eyed male that went by the name of Sugino agreed with Maehara. "I mean, these are only BB's, right? For all we know you could have just stood there and took them like a champ." Sugino continued while examining a small pink coloured BB. The class started to talk among themselves to express their own opinions in how their inhuman teacher either dodged or took the bullets like a professional. Meanwhile, their creature of a teacher was just observing the students and heaved a sigh.

"Collect the ammunition and bring it here." He said tiredly. "As was explained," Said the creature while he took a loaded gun full of BB's from a girl with short brown hair and brown eyes called Okano. "As were explained, these are anti-me BB's." He said while he lifted one of his tentacles up and the gun filled with BB's and lined them up with each other. "Harmless to you but," With that the yellow creature shot his arm with the gun in his hand which caused his arm to completely detach from the rest of his body and a slimy yellow blood-like substance to start gushing out of his wound. There were collections of gasps and small screams that echoed through the classroom because of the sight they saw before their eyes. "Able to split my cells like a knife through warm tofu. Developed by your government for that exact purpose." The teacher continued while the class members watched the detached arm moving in all different directions on the floor. "Of course after a few seconds I can regenerate good as new." He stated while his arm suddenly grew back. "A luxury you won't have if you accidently shoot your eye out. From now on, no discharging guns in the classroom. Safety first." The creature said in his usual joyful manner.

Suddenly, green stripes appear across his face and his giant smile turned into more of an arrogant expression with his grin widening. "And good luck killing me before graduation, you're going to need it." He stated cockily. "Fire arms, government tissue, anti-me BB's away please. Time to get to work." He said back in his normal voice and with that, the class started to settle down into their seats.

'Kunugigaoka Junior High.' Nagisa thought independently. 'Class 3-E, the assassination classroom. The bell rings, another day begins.'

The strange looking teacher just finished writing a question up on the chalkboard for the class. He quickly turned around to face the rest of the class. "Okay, here's a puzzler for you." The creature stated. His beady eyes quickly observed the class until the landed on a certain dark brown-haired male. "Isogai."

"Um, sir?" Isogai questioned with a tinge of an unsure tone.

"Which of these four tentacles are the odd man out?" The creature questioned Isogai while four of his tentacles came out in the colours of green, pink, white and blue with blue being the largest one.

"Um," Isogai started with a bit of confusion. "The blue one?"

The octopus looking creatures face turned a bright orange with a darker orange in the form of a circle while small light bells went off randomly. "Excellent! The boy who is standing employs who as a relative pro-noun. A relative pro-noun-"

"Hey Nagisa." The green-haired Kayano whispered to her blue-haired friend. Nagisa's head turned towards Kayano to give her full attention to her. "Check it out." Kayano said with a small smile while pointing up at the moon. "Crescent moons up, during the day. Neat huh?"

Nagisa kept staring up at the moon while she was deep in her own thoughts. 'How did this happen? How did we get here? I mean as far as I know, it started with two very big things kicking of through the year.' Nagisa started to remember all that had started to happen. 'First, there was the moon. One minute it is fine, the next, kaboom. Permanent crescent.'

Nagisa thought about all of the different news stations all around the world broadcasting about how 70% of the moon vaporized. The discussion all around the world was what did it mean? How did it happen? All questions about what had occurred would be answered very shortly. Nagisa thought back to the life-changing encounter that herself, and the rest of the class faced. 'There was that, and then there was him.' Nagisa thought back to the day they first met their teacher.

"Hello! How are you?" A cheery voice spoke that belonged to a yellow tentacle filled creature. "So, I'm the one who blew up the moon."

The whole class that was sitting in their seats at first had a normal expression upon their faces. After a few seconds of processing the information they just heard, the class's face switched to one of confusion. "Huh?" They all called.

"Next year I intend to do the same to planet earth, but never mind that now. I'm going to be your new teacher, isn't that exciting!" The creature said while his octopus-like tentacles were moving all around in the air.

All of the class's expressions quickly changed to annoyed and a bit creeped out with beads of sweat sticking onto their faces. 'There are so many things wrong with this picture.' They all thought with a robotic tone.

'It was a strong first impression.' Nagisa thought back in the present.

A man with spiky black hair and dark eyes started to speak. "I'm Karasuma from the Ministry of Defence. What- what I'm about to tell you what we call in the business classified." Karasuma took a deep breath in and then let it straight out. "Oh hell, I'll just come right out with it. I'm going to need you to kill this thing, for the sake of mankind." He said while he indicated it towards the yellow creature.

A collection of confused sounds came from all of the students. "Excuse me." An orange-brown haired male with green eyes named Mimura called. "No offence, is this a joke? Because if this is the alien that blew up the moon-" An offended sound came from the creature while waving his tentacles around.

"I am an earthling born and brought up here thank you very much!" The creature retorted. 'Okay.' Thought a confused Nagisa.

"I'm not at liberty to discuss the details at this juncture; I'll just say he is telling the truth." Karasuma said in his normal emotionless tone. "His threat is all too real. As of this coming march, he will obliterate the earth." He continued, "Apart from you the only people who know this are world leaders. If word of this gets out to the public, we will have wide spread panic on our hands. He must be terminated soon and with extreme prejudice. Which means you," Karasuma paused while he reached into his pocket, took out a green looking knife while he aimed for the creature, and missed because of the speed of the creature. "Must become," Karasuma took another swing with the knife at the creature while the creature dodged it easily with his speed again. "Assassins." Karasuma finished.

Karasuma kept trying to stab the creature but the creature was just too fast a dodged every one of his swings. "Now, you'll notice he is incredibly fast!" Karasuma yelled from all of the effort he put into his attacks and strikes. "And for some reason he likes grooming eyebrows. A lot!" He stated trying to keep calm while the creature had a kit full of different types of beauty products and was fixing Karasuma's eyebrows.

Karasuma put in extra effort into one of his swings that the creature went by the front of the class so fast that a wave of wind that was caused to blow in the students' faces, causing them to scream and hold their arms up in front of their faces to protect themselves.

Karasuma stopped swinging to explain, "You're looking at a being so powerful that he can obliterate over half the moon in seconds. So fast, he has been clocked at mach 20. A world he is allowed to live as a world is waiting to be destroyed." Karasuma stated. "Plain and simple." He finished.

The creature spoke as he put away his mini beauty kit, "He makes everything sound so grim, doesn't he? Cheer up! I have graciously made your government an offer. Stop making fools of yourselves trying to kill me I said and let me teach class 3-E at this lovely institution." He cheerily spoke.

Everyone in the class had sweat beading down their foreheads. Nagisa's brow twitched. 'Seriously?' She thought along with some of her other classmates thinking the same.

Tick marks appeared on Karasuma's forehead. "We didn't have much of a choice. We have no idea what his motives are, but we agreed on the condition that none of you students will be harmed in any way. The advantage is full. On the one hand, we will know his whereabouts a good portion of every weekday, which is something. On the other he will be in close range to 30 people with the will to kill him."

A certain blonde-haired girl with blue eyes shot a bullet at her target/trigger with her gun. The creature straight away caught the bullet in between two pieces of white cardboard.

"Nakamura!" The creature yelled out. "I remember distinctively saying no discharging guns in the classroom!" The creature scolded with his face turning a bright red.

Nakamura put her head down and scratched the back of her neck in guilt. "I know."

"Back row young lady! Think about what you have done." The creature scolded and as response heard a small groan.

Nagisa propped her check onto her closed fist. 'Why would this thing want to be our teacher? And how are we going to assassinate him if the government can't? Those are the questions we should have asked at the start, but I guess we got distracted.' Nagisa thought while her eyes were looking down at her desk while thinking back again.

"Do the deed and you get 10 billion." Karasuma stated. With that said, the whole class shot out of their seats and all screamed out a shocked sound with their eyes widened in shock and money hunger.

"It's only fair. Kill him and save the earth. That doesn't deserve a life on easy street, what are we fighting for." Karasuma stated while looking at the creature that now had green striped on its face. "He doesn't think you can do it, use that. Green stripes indicate that he is feeling superior. We have some experience with it."

"Freaky." A class member murmured underneath their breath.

"Truth be told I'm not worried. The military couldn't kill me so why would anyone assume students could. After all you don't even have fighter jets." The creature said cockily while thinking of how he out-smarted the jets a cleaned the roofs on them.

"What's with the cleaning fetish?" A female class member asked.

A cart filled with guns and knives was pulled into the classroom by two of Karasuma's assistances. "It's all on you. Find the cracks in this smug bastards defences and exploit them. The weapons you will be provided with are harmless to humans but fatal to him. And it goes without saying; we will need to keep all of this between us." Karasuma said while Nagisa gave a side-glance to Kayano and then turned back. "The clock is ticking. Decide whether you will stand out home blasting into space dust."

"That should just about cover it I think" The yellow creature said slyly with his face turning back to his normal shade of yellow. "What do you say we hit the books and make your last year of your lives a productive one." He stated slyly again while rubbing two of his tentacles together.

The class watched their strange looking teacher writing up another question on the board. 'So that's it.' Nagisa thought. 'We have a year to live. If we can't find a way to kill our teacher, earth is going to be history.'

A while later, the lunch bell rang. The creature looked up from the board to the clock to double check that the bell was right. "That's lunch time everybody." He said while walking towards the closest window at the front of the classroom and open it. "Excuse me while I head over to China to grab a quick bite. You have my cell number. Any killers feeling especially trigger happy today are welcome to hit me up." With that, the yellow teacher sped off at mach 20 causing waves of wind to hit the students.

"Okay, math." Nakamura started. "If he is traveling at mach 20."

"It'll take 10 minutes tops to reach his favourite take-out place." Nagisa continued while still staring at the window their teacher flew out from.

"So, just to be clear, we've absolutely ruled out missiles?" A male member from the class stated questionably.

"Are you kidding?" Retorted Isogai. "Even if we had access to that kind of hardware, he can break the sound barrier."

"While grading!" Nakamura finished.

'My homework even came back with a doodle on it.' Isogai thought while he looked down at the sheet of homework he had gotten corrected with an awkward smile on his face.

"All things considered, you have to admit he is not doing a bad job." Nakamura stated while an orange-haired female with green eyes that was named Kurahashi was thinking back to the time the creature had helped her with algebra.

While Kurahashi was thinking back to the small study session she exclaimed, "I know right. He tutored me on algebra and I killed it on our pop quiz the next day."

"Yeah." Stated Mimura with a grim expression. "Kind of a shame. We get our grades up just in time for the world to end. Well college wasn't happening either way."

'Flying human creature dead set on world destruction, check.' Nagisa thought while staring at Mimura with a faraway look while holding a notebook up in the air with both of her hands. 'Impossible targe,' she continued while staring at her notebook. 'Check. But he might be the best damn teacher anyone of us has ever had.' Nagisa thought while taking out the knife that was in her skirt pocket. 'Forget that we all are would-be assassins and that most people see us as average garden verity third-years. At least on the surface.' She wondered while her gaze observed her fellow classmates. 'Underneath it all though, class 3-E has always been different.' Nagisa started to get lost in her thoughts but suddenly a rough voice called out to her.

"Yo Nagisa." A male with brown hair and dyed blonde hair at the roots with light green eyes called out. He was named Terasaka. Nagisa snapped out of her thoughts and looked towards him. "Look alive little girl, let's put our money where our mouth is and get this done." He continued. Nagisa just noticed his two lackeys standing behind him. Their names were Yoshida and Muramatsu. Yoshida had dark brown hair and sharp dark eyes and Muramatsu had dirty blonde hair with small and black eyes. They all had sly grins on their faces that were full of mischievousness. Not good at all. Nagisa had a horrible feeling that something was going to go wrong but she nodded her head anyway.

A few moments later, Terasaka, Muramatsu and Yoshida were all hanging around the back stairs that lead to the oval and Nagisa was standing just in front of them all with her notebook out in her hand.

"So in other words, we know the octopus' face changes colour depending in what mood he is in. Have you been keeping track like I told you to? Give me the specks." Terasaka demanded.

"You got it." Nagisa stated confidently and fixated her attention to her notebook. "I guess for starters, green stripes mean he feels cocky, so that's something. When we give a wrong answer, his face goes dark purple. When we answer correctly, bright red. What's interesting is every day after lunch without fail-"

"Blah blah, whatever." Terasaka said, cutting Nagisa off. Nagisa looked up from her notebook to focus on what he has to say. Terasaka walked down towards Nagisa. "We got more than enough." Terasaka continued while lifting up his own knife. "When his guard's down that's when we make our move, well at least you do." Terasaka grinned.

Nagisa eyed Terasaka's knife with an uncertain gaze. "Yeah, about that, I-"

Terasaka again interrupted Nagisa getting right into her face. "Don't start, we've been over this! Worried about your transcript?" Nagisa started to get uncomfortable with how close Terasaka was close to her and with his breath over her face. She turned her head the other way. "Wake up! We're 3-E! Everyone expects us to be thugs and murderers anyway!" Terasaka yelled. "You know what the E stands for right; end of the line. Think they shuttle us up this mountain every day for the view? Sorry to burst your bubble women, but society don't want us." Terasaka threw an arm over Nagisa's shoulder making her feel even more uncomfortable. "When do nobodies like us have a shot at the kind of cash that's at stake here? This is our one-way ticket out of this dump! No guts no glory." Said Terasaka while reaching into his pocket. "Let this be your moment to shine." Terasaka lifted up a small orange bag with white string. "Man up. Go make a name for yourself." With that, Terasaka dropped the bag into Nagisa's hand and gave out a small laugh while walking back to his lackeys. "Best of luck! Try not to blow it." Terasaka finished sounding like there was a double meaning with what he said.

Nagisa looked down at the small bag in her hand with a thoughtful and troubled expression on her face. She thought back to when she first found out she was moving to class 3-E.

"Did you hear about Nagisa? Their chucking her to E class." A male ex-class member of Nagisa's said.

A small female laugh was heard, "Shocking. What else were they going to do?" They said sarcastically.

"That's one less name in my contacts I'll tell you that." Another male voice spitted.

"Yeah. How messed up is it that we know someone like her?" Another male said.

Unlike all the other rude voices, only one voice from a male was kind.

"Don't worry about what anyone says, alright Nagi?" The voice said softly. "This dump of a school only focuses on how 'smart' other people are. So, what if you're going down to E class. Those bastards can say whatever they want. Don't let it get to you, but if they keep saying things and if they do something to you," the voice paused. "I won't just stand still and watch. I'll take matters into my own hands."

Nagisa snapped back into the present while keeping her eyes trained on the ground, thinking about that last voice. She quietly whispered the name of the last voice full of kindness and longing.

Nagisa started to hear a loud sound that sounded high pitched. Nagisa raised her head and turned around to see what the source of the sound was. A loud crash was heard, and dust arose from the ground. Nagisa let out a small noise of surprise and covered her face with her arms.

"Hello there. I'm back" The voice of the creature started casually. The yellow teacher had a missile resting on his shoulder but being held by one of his tentacles.

"Okay." Nagisa stated full of shock, putting her arms down. "Hi sir. So, what's- what's with the missile?"

"A souvenir from a strike force that tried to bring me down over the Sea of Japan." The teacher said casually like it was normal.

Beads of sweat ran down Nagisa's hair as she stated still in shock, "Must be lonely spending your life in the cross fires."

"Quite the opposite actually." The creature stated while pointing up a finger. "Reminds me of how amazing I am." He stated while raising his head up high. Nagisa's eyes widened when she heard the end of that comment. "Now then," he stated while walking towards the class building. "Inside for 5th period please." With that all said, he continued to walk towards the class building.

Nagisa continued to face forwards but bowed down her head a bit. "Sure." She stated softly. 'There's no denying it. He is amazing.' Nagisa thought while thinking of all the things she has seen him do. 'Confident, capable. Powerful enough to make people stand up and take notice, even if they are trying to kill him. Everything I'm not, everything I'll never be. No matter how hard I'll try or how many chances I am given.' Nagisa again thought back to her old teacher and what he had to say about her.

"Because of you I received the worst teachers' evaluation of the year. You unteachable brat, as far as I'm concerned this campus can't get rid you fast enough." Nagisa's teacher stated smugly.

Nagisa clutched the string from the orange bag tightly. 'I can do this.' She thought. 'I have an advantage. I'm as invisible to him as to anyone else.' She paused on that thought. 'Just maybe not to him.'

"Okie dokie!" The teacher called cheerily while stepping away from the board that was filled with writing. "Your assignment this afternoon is to compose a short poem. The final line should read, 'was tentacles all along.' Collections of confused sounds arose from the students.

"Excuse me sir." A girl with straight black hair and light brown eyes stated while raising her hand. Her name was Kanzaki. "Really?"

"Really." Replied the creature. "When you have completed the assignment, kindly bring it forward. You will be graded on creativity, grammar and overall beauty of expression. Here's an example;" The creature started. "Not the storm of garden snow, of flowers moving on, but sprouting there instead, was tentacles all along."

"Yeah, because that makes a lot of sense. Sheesh." Isogai mumbled while rubbing the back of his neck.

"You may go home once you're finished." The teachers ended. Collections of what arose up again.

"But sir, was tentacles all along-" Kurahashi started but soon was cut off by the creature.

"Better get those little brains sparking, and those imaginations slithering." He stated and shortly after that, he started wiggling his tentacles around and made an annoying repetitive noise that sounded like to was supposed to be an octopus.

"Could you please knock that off!" Maehara snapped.

Kayano started to raise her hand. "Um sir, question?" She asked.

No one seemed to notice that right before Kayano had said anything the creatures face had turned a bright pink but quickly turned back to yellow. Except for a certain blue-headed girl. "Of course. Fire away Kayano."

"Do we always have to call you sir? You haven't given us your name and I think we need one." Kayano stated. The creature let out a long sound. "I mean it would be kind of awkward if we didn't call you anything, right?"

The teacher let out an understanding sound. "Well now,"

"Oversight." Sugino spoke to a female next to him that had purplish-brown hair and purplish-black eyes. Her name was Fuwa.

"Yeah, a little bit." She replied.

"Hm." The teacher continued while one of his tentacles scratched his head. "The trouble is, I don't have the sort of name you just give to people. Why not pick one for me?" He answered.

Beads of sweat went down Maehara's head. "What could go wrong?" He mumbled.

"Just focus on leader and sintacts." He finished.

"Okay." Kayano answered with a bright smile on her face.

"I'll take a short break while you all take up your pens." The creature said tiredly while leaning against the desk with his eyes looking down at the ground in a tired manner, slowly turning a bright pink.

Nagisa looked up from her desk to their teacher, analysing him. Nagisa's bangs covered her eyes and she slowly stood up and started to walk towards the pink-faced creature. The creatures head looked up at Nagisa.

"Seems the muse favours Nagisa." The creature spoke. Terasaka gave out a menacing laugh with a sly grin. Kayano eyed Nagisa, gasping when she saw a knife on the inside of Nagisa's page.

'Every day after lunch without fail he gets sleepy.' Nagisa observed while walking towards the creature. 'I can tell he check out when his face turns pink. Kayano's question threw him off and he seems distracted. All sign point to this being the right moment.' The whole class was now paying attention to what was going on in front of them. Everyone was silent in keenness, waiting for what was going to happen. 'Prep school flunkies know how to slip between the cracks. It's what we do. Parents and teachers are always yapping at us telling we have to apply ourselves.' Nagisa stopped walking and faced the creature when she was right in front of him. 'Apply ourselves.' Nagisa thought carefully and humourlessly.

Nagisa lifted her head up and took a quick swing with the knife she was hiding towards the creature. With a tentacle, the creature easily caught her hand with no effort at all, but was surprised how much strength the small girl in front of him had.

"What did I say about thinking outside of the box?" The creature said while taking the knife out of Nagisa's hand with a white cloth. 'Alright then.' Nagisa thought.

In a split second, Nagisa jumped at the creature and wrapped her hands around his neck like a hug. The creature quickly turned back into his normal yellow colour out of surprise. 'Here goes nothing.' Nagisa thought. 'He's going to be furious. I know it.' Nagisa gave out a half-genuine smile, thinking about a certain boy that helped her in so many ways. The creature's beady eyes widened when he saw the grenade wrapped around the girls neck, but it was to late.

Terasaka smirked and pressed a button on a remote. Suddenly there was a blinding flash of light that was accompanied with a loud bang. BB's flew all across the classroom and there were all types of screams being voiced out all around the classroom.

Terasaka laughed, "Yeah!"

"We did it!" Cried Muramatsu.

All around the classroom there were a collection of gasps and whispers paired with worried and scared looks. Kayano cupped both of her hands over her mouth. "Nagisa?" She whispered full of worry.

"Yeah! We're going to be billionaires!" Yoshida cried out while Terasaka and Muramatsu laughed. All three of them ran to the front of the classroom towards Nagisa.

"Sayonara!" Terasaka cried.

"You jerks!" Isogai yelled out.

"What the hell have you done?" Maehara yelled also.

Terasaka leaned down towards what he thought was the creature. "Never saw a suicide bomber coming, now did you?" Terasaka joked.

"Terasaka!" Kayano leapt to a stand and Terasaka's attention focused on her. "What did you make Nagisa do?" She yelled angrily.

"What?" Terasaka said harshly. "I'm sorry, but do you have a better idea? I gave her a modified toy grenade filled with those stupid BB's and a spoonful or two of gunpowder so they would scatter at a high enough speed." A collection of worried sounds accrued across the classroom. Terasaka looked towards Nagisa. "Don't worry; it wasn't enough to kill anybody." Terasaka crouched down next to Nagisa's body. "I'll pitch in on her medical bills." Terasaka examined Nagisa even more and let out a confused sound.

Nagisa had some type of see-through substance covering her like a cocoon that seemed to protect her from the blast. "Whoa! She doesn't even have a mark on her." Terasaka exclaimed in shock while he lifted up some of the unknown substance that protected her. "What the hell is this membrane? Did the body-"

"It's not a body, it's a husk." The very familiar voice of the creature stated. The whole class started to look around for where it came from. "I shed my skin once a month." He stated while Nagisa sat up and broke free from the shredded skin. "I wrapped it around your classmate to protect her from the blast." Terasaka started to sweat a bit and looked up. He met with a pair of glowing red eyes that were on the creature that was hanging from the ceiling, which was surrounded by a very dark aura. "I'm going to go out on a limb here and assume you didn't see this coming." He stated menacingly.

Nagisa, which was now standing looked up at the creature with wide eyes, wondering what was going to happen next. "Terasaka, Yoshida, Muramatsu." The creature stated with his voice becoming more menacing and scratched up. The three that he mentioned looked up at the creature in absolute fear while shaking. The whole class was looking up at the creature with different levels of fear.

'Okay.' Nagisa thought, herself being a bit scared, but no overly. 'That's a face we haven't seen before.' She thought while looking at the creature that was turning pitch black, with his teeth sharpening. 'Pitch black must mean,' she paused, 'pissed!'

"This was your doing." The creature said, furious. Terasaka, Muramatsu and Yoshida all looked even more frightened that tears were welling up in there eyes. "Wasn't it!" He demanded.

"Who, us?" Yoshida said with his voice trembling a small bit.

"It was all Nagisa!" Terasaka said nervously.

Suddenly, there was a large gust of wind, and for a few seconds the creature was not there anymore. After a moment, the pissed off creature came back with the nametags off everyone's houses. The creature first dropped Terasaka, Muramatsu, and Yoshida's names on the ground first.

"The nameplate off my house!" Terasaka exclaimed.

"Here's the deal kiddos." The creature said while holding everyone's house plate name. "The agreement I have with your government forbids me from harming you, but there's a catch." He stated in the same furious voice while holding up Nagisa's nameplate. "If you pull another irresponsible stunt like that again, there's nothing that says I can't harm someone else." He dropped all of them on the ground. "Family, friends, everyone in this world except you if I feel like it."

'Suddenly it's clear on how hard it's going to be.' Nagisa thought with her mouth opened a bit while staring at what was happening in front of her. 'We can't run, we can't hide. Slipping between the cracks isn't an option. The only way out, is to kill him.'

"Go on!" Nagisa turned her head towards Terasaka who just spoke. "Threaten us! I ain't afraid of no squid!" He yelled while pointing a finger at the mad creature. "Where do you get off from bowing up the moon? We got rights you know! Call us irresponsible, we're just defending ourselves!"

"Of course!" The creature stated turning back to his normal colour except for his face that turned a bright orange. "I know that. I'm not calling you irresponsible for trying to kill me. No, No, No." He stated while putting one of his tentacles on Nagisa's blue hair. Nagisa looked up at him in surprise. "As a matter of fact, Nagisa here gets full marks for technique. Her composure was simply outstanding!" The creature lifted his tentacle off Nagisa's head and pointed it to the three people responsible for the plan. The three of them went back into their scared state. "However, none of you cared if she was injured." After that was said, the three males dropped their heads down in guilt. "Not even Nagisa herself if it seems. Students with that attitude aren't fit to assassinate anyone." He said sternly while his face turned dark purple with a few veins popping out.

The creature turned towards the rest of the class and his face turned back to normal. "You must believe yourself worthy of your target. That means in taking pride in what you do, in yourselves and each other. All of you are more than the sum of your parts." The creature spoke while he lifted up a finger like tentacle.

'Chewed out at mach 20.' Nagisa thought while rubbing where the creature touched her head softly. 'Reassured by a tentacle whack. It's a bizarre education, but it's one I think is starting to grow on me.' She thought again while looking at her teacher. 'I guess when you've spent your whole life being invisible well,' The creature turned towards Nagisa while she was thinking that. 'It's something to feel like you're being seen.'

The creatures gaze fell upon a small amount of smoke coming up from the teacher's desk. He slowly remembered something that happened not long ago.

In a broken-down building, there was a tentacle filled creature crouched down next to a human figure that was female. The female voice called out the creature, "If you- if you could sacrifice a little bit of your time, give the children the tools they need to succeed." The female then wrapped her hand around one of the yellow tentacles that were holding her in place. "Such wonderful tentacles. With hands like these you could reach them, I know it in my heart." The female finished weakly.

The creature put a tentacle over the smoke and it went out. The creature turned his head again to face Nagisa. He raised a tentacle, "Here's a puzzler for you Nagisa. Given that I have no intention in being killed," He faced the class, "Though I have every intention to enjoy spending our time together before the planet goes kaboom," he faced Nagisa again. "What exactly are you going to do about it?"

'That's the biggest question isn't it?' Nagisa wondered. 'It's not like we have a lot of experience in saving the world.' Nagisa clenched her fists. 'I have a feeling though. One way or another, we're going to be fast learners.' Nagisa finished with a smirk on her face. "I think you'll find out I can do plenty sir." She stated with an uncharacteristic smirk getting more of an evil vibe by the second. A few people of the class noticed this and were very surprised in how evil and smug Nagisa looked. Even the creature, but he hid it well. "Just you wait and see."

The creature's face had green stripes on his face once again and laughed evilly, "That's the spirit." He stated proudly. "No one leaves until I am vanquished!" The creature said excitedly.

Groans were heard all around the classroom. "Way to go Nagisa!" Nakamura stated sarcastically.

"This is totally ball's!" A male voice yelled.

Nagisa quietly walked back to her desk. 'Yep. We're assassins. Our target,' she thought while she looked over to her teacher that was cleaning a nameplate. 'Is our teacher.'

"Man, I don't want to be a killer." A male voice stated.

"We're all screwed." Another male said.

"We still don't know his name!" Another male exclaimed.

" What about unkillable in Japanese?" Kayano asked. Nagisa faced her to give her all of her attention. Kayano hummed, "It's Korosenai, right?" Kayano gasped and faced Nagisa. "Korosensei!" She exclaimed. Nagisa smiled at her friend and gave her thumbs up.

"Korosensei." Nagisa tested it out. 'That feels right' She smiled at her friend, "I like it!"

Little did they know their teacher listened on to their conversation and if it was possible, his grin became wider.

Nagisa looked back towards their strange teacher that was now named Korosensei. 'Just us and Korosensei. Here, in our assassination classroom.'

That is the first chapter done! Thank you for reading the first chapter. Please let me know if you have any questions or feedback. I would be very grateful. Thank you all again! :)