I don't own anything except for my OC's.

I'm sorry if you find any grammar mistakes. I'm still learning English because it's not my first language.

Guest: I'm glad you liked it! :)

This day started off like an ordinary day for Class 3-E of Kunugigaoka Junior High School. The students of the said class gathered in their classroom and took their seats, waiting for their octopus teacher to arrive in the classroom.

It wasn't long before the entrance to the classroom was opened Karasuma stepped into the classroom and was followed by Koro-sensei who was wearing his human disguise which consisted of a fake wig, fake nose, and change of skin colour to make it look more human. Much to everyone's suprise, another person entered the classroom right after Koro-sensei. It was a woman with wavy blond hair.

There was one thing about this woman that the entire class was weirded out about. That thing was the fact that she was all over Koro-sensei, hugging his arm as if she was in love with him.

"Now, allow me to introduce your new English teacher." Karasuma began, now facing the entire class as all of the students had their eyes set on the blond haired woman.

"My name is Irina Jelavić!" The woman introduced herself, happily, "It's wonderful to meet you all!"

"What a knock out!" Maehara thought to himself.

"What knockers!" Okajima thought, almost getting a nosebleed at the view of his new English teacher.

"Does anybody else here think it's weird she's all over Koro-sensei?" Kataoka whispered to her classmates.

"A little bit, yeah." Nakamura replied to Kataoka's question.

"I've been asking myself why is she all over him ever since she stepped into the classroom." David answered to Kataoka's question shorty after Nakamura gave her answer.

"One of our school goals is to give you authentic experience in foreign languages." Karasuma said to Koro-sensei, "I trust there'll be no objections to her taking over half of your English lessons?"

"No harm in that is there." Koro-sensei replied.

"We've got us one heck of a teacher." Kayano whispered to Nagisa, "What's more, she seems to really have a thing for Koro-sensei."

"Uh-huh." Nagisa nodded in agreement as he pulled out his notebook, "I might get some new hints for the assassination out of this."

The bluenette and his friends leaned forward to take a look how Koro-sensei was acting around Irina. The octopus turned his head to look down at Irina and it was just a few seconds before his face turned pink. His smile grew wider as two pink circles appeared on his cheeks. It was quite obvious for everyone to say what this expression meant.

"He's just plain smitten." Maehara whispered.

"From the way he is looking at her, I think it's quite easy to say that he is into humans." David remarked.

Kayano nodded in agreement, "There's no mistaking that face."

"Note." Nagisa wrote down in his notebook, "He blushes like a human."

Koro-sensei's weakness number 5: Boobs

Irina sighed dreamily as she looked up at Koro-sensei, "The more I look at you, the more I like what I see. Your beady eyes, like two diarrhea pills. Your strange floppy limbs. Why you're so positively captivating."

Koro-sensei chuckled, "How embarrasing!"

"Don't fall for it, Koro-sensei!" Okano exclaimed in her head.

Nakamura lowered her head, thinking to herself, "No woman finds those things attractive!"

There was one thing the students of 3-E had to agree about. They all failed to believe that Irina was just an ordnary teacher. They were not that dense. They knew that something must have been off about her because any teacher coming to this class at this time had a fairly high possibility of being not an ordinary teacher

When it was time for P.E, Koro-sensei took his students to the sportsfield to play a game of "Kill Ball" with them. This game was about kicking a few soccer balls at Koro-sensei before the kicker tried to kill him. The students and their target played it from time to time because not only it was fun, but it also served as an assassination attempt.

"Hup pass!" Koro-sensei exclaimed as the ball flied over to Karma.

"Hup kill!" Karma shouted as he kicked the ball and fired his pistol at Koro-sensei who dodged the pellet by moving to the side.

"Hup pass!" Koro-sensei exclaimed as the ball landed in front of David who waste no time and kicked it.

"Hup kill!" The exchange student shouted as he pulled the trigger of his pistol and fired. Koro-sensei once again dodge the pellet by moving to the side. Ever since Karasuma started teaching them P.E, David started using his guns more than his knife because he turned out to be one of the better shooters in E Class at this moment, much to his suprise. Too bad he wasn't as good with his knife.

"Hup pass!" Koro-sensei exclaimed as he caught the ball which was kicked at him by Okano.

"Hup kill!" She shouted as she leaped herself at her teacher with her Anti-Sensei knives in ready.

Koro-sensei moved out of her way and exclaimed, ready for another student to come at him, "Hup pa..."

"Koro-sensei!" A familiar voice cut him off. Everyone turned in the direction of it and saw Irina who was runnin towards them with a cheerful expression on her face. She made her way to Koro-sensei and looked up at him, "Karasuma-sensei tells me you're oh-so-very fast! Is that true?"

Koro-sensei dropped the soccer balls on the ground and placed his tentacle on his head, "Well, I wouldn't say I'm that fast."

"Could you do me a favor?" Irina asked him, sweetly, "I'd love to try some Vietnamese-coffee. Do you think you could bring me some during English class."

Koro-sensei's face turned pink as he responded, "Why of course. I happen to know a great cafe in Vietnam."

The octopus leaped himself into the air and flew off out of everyone's sight, leaving a cloud of smoke behind him. The students flinched from the smoke and shielded their eyes from it. Once the smoke disappeared, the students heard the school bell ringing.

Isogai turned to look at his new English teacher, "So, er, Irina-sensei? Class is starting. Shouldn't we go back in?"

"Class? Oh, right." Irina said, changing her tone into more of a rude one, as she placed a cigarette between her teeth and lit it up, "Just make it study hall or something."

Okajima let out a suprised "Oh." as his eyes widened. He and most of with his classmates were taken by suprise. They were excepting her to be different from the woman they saw in the classroom earlier that day but they weren't excepting her to be like this.

Irina let out a puff of smoke and continued, "Also, could you not call me by my first name? I won't be playing teacher unless that octopus is around, so you will refer to me as Miss Jelavić."

Everyone were silent for a moment and Karma broke the silence, "So, what are you going to do, Miss Bitch?"

Irina pointed at him angrily, "It's vić!"

"You're an assassin, right?" Karma asked her, looking at her with his usual smug look, "The entire class couldn't take down this monster, but you're going to kill him by yourself?"

"Still a child I see. Grown-ups have their own grown up ways of doing things." Irina said smugly, an egotistical expression on her face. She turned to look at Nagisa and asked, "You must be Shiota Nagisa."

Without saying a single word more, she walked over to Nagisa and much to everyone's suprise, grabbed his face and kissed him on the lips.

"WHAAAAAA!" Kayano shouted in her head in absolute anger and shock as she watched how the blond haired woman just kissed Nagisa. Hara looked worried, Maehara and Okajima looked impressed, Karma looked with a mischievious look and David smirked, already coming up with the stuff he was going to say to his blue haired friend to tease him.

"UH!" Nagisa was smothered by the kiss. At first he struggled to pull away, but ultimately gave up because Irina's strong grip managed to keep him there. In the end Nagisa was unable to move or think. After the kiss she held him close to her breasts.

"Come to the staff room later. I'd like to see what you have on him." She told Nagisa who's cheeks were red as he looked up at her with soulless white eyes. She dropped the bluenette on the ground and turned to the face the rest of the class, "The same goes for anyone else with key intel. I'll give you something good in return." She turned her gaze towards three men who just entered the sportsfields. All of them were wearing stealth gear and were carrying guns, "If you girls prefer, you can have one my of gunmen instead. It's a pro's job to have both technique and connections. You brats go watch the outfield." Her smile grew colder, "Oh, and one more thing. Interfere even slightly in my assassination and I'll kill you."

The students watched with an angered looks on their faces how Irina started talking with her gunmen, probably about some kind of assassination attempt on Koro-sensei as they exited the sportsfield and walked away from them.

"What a bitch." Muramatsu crossed his arms, glaring ahead.

Yoshida nodded in agreement, "You can say that again."

"The bitch part of her surname fits her pretty well if you ask me." David said, earning a few nods of agreement from his classmates as he walked over to Nagisa who was still on the ground and held his hand out to him. His blue haired friend offered him a grateful look and grabbed his hand as the students started making their way to the school building to start their next class.

"Nagisa." Karma said with devilish smirk growing on his lips, approaching the bluenette and the exchange student as David brought Nagisa back on his feet, "You can color me impressed."

"You know what they say, Karma." David said as he quickly realized what Karma was doing, patting Nagisa on his shoulder, "Still water runs deep."

Nagisa shifted his gaze between his friends, confused, "What are you talking about?"

"You can't blame them for being suprised, Nagisa." Nakamura joined the conversation as she realized what Karma and David were doing. A devilish grin formed on her lips as she continued, "We didn't know older women were your thing."

This answer was enough for Nagisa's face to turn red again. His confused expression faded away from his face and was replaced with an embarassed one as David, Karma and Nakamura exchanged devilish smirks. It was quite amusing to see how Nagisa got flustered so easily.

The next day came and the students of Class E were in the middle of the class with their new teacher. The entire class stared at Irina who was sitting on the teacher's seat in front of the class. She had her legs crossed over one another as she was working on her tablet to plan out her plan to assassinate Koro-sensei.

"I've never killed an unidentified life-form like this before. Everything's ready." Irina thought to herself She turned her gaze away from her tablet and turned it towards Nagisa who shared his intel with her yesterday, "The boy's shared his intel with me."

She winked at the blue haired boy as Nagisa shivered and felt how a chill went down his spine.

"That won't conflict my plan. I am Irina Jelavić, a pro among pros." Irina thought in arrogance as she closed her eyes and. Her students looked like they were done with her, annoyed that she was just sitting and doing nothing to help them, "Who's pulled off assassinations in all kinds of circumstances."

"C'mon, Miss Bitch. Are you teaching us or what?" Maehara spoke up, angering Irina who almost fell off her chair. She was so offended by his words that she felt how the word stabbed her right through her body.

"Yeah, Miss Bitch." Nakamura added dully as Irina felt how another word stabbed her which only increased her anger.

"I mean you are a teacher here, right, Miss Bitch?" Sugaya asked and for the third time Irina felt how the word stabbed her through her body.

"Quit your "bitch" thing!" She snapped, standing up from her seat as she grew tired of them calling her "bitch", "For one thing, they're pronounced differently. You Japanese just can't differentiate between "B" and "V"!..."

"I'm not Japanese. I'm from America." David cut her off with a deadpanned look on his face, reminding his teacher that she was not the only foreigner in the classroom.

"Don't interrupt me, you brat!" Irina shouted at David who rolled his eyes in irritation at her response, "I'll teach you the correct way to pronounce "V". First, lighty bite your bottom lip. Go on!"

The students did as they were told, "Vvvv."

"Yes, that's right." Irina smiled in satisfaction, "Now stay like that for an hour and give me some peace and quiet."

The students glared at Irina with murderous white eyes, "Lamest. Lesson. Ever."

Irina Jelavić really was a complete bitch.

Later that day when the P.E class begun, the students gathered on the sportsfields, wearing their P.E uniforms. Nakamura, Chiba, Yada and Maehara stepped over the white line and aimed their pistols at the paper targets in front of them before opening fire at their targets. Their classmates were standing behind them, waiting patiently for their turn.

Kouki turned around and saw Irina walking towards the shed with Koro-sensei who's face was pink, "Hey, now. You kiddin' me?" He asked, causing everyone to look in the direction he was looking at, "They're heading for the shed together?"

"Kind of a let-down." Sugaya stated.

"You're telling me." David agreed with Sugaya, "He really fell for such an obvious trick."

"Karasuma-sensei." Kataoka called out for her P.E teacher, earning his attention, "I don't think we'll ever warm up to her."

"Sorry about that." Karasuma replied, "She was hired on government orders. Still, being able to complete all her preparations in a single day proves she's an assassin of the highest caliber."

Koro-sensei and Irina made their way into the shed shorty after. Koro-sensei was the first one to enter the darkened shed and was followed Irina. The blond haired woman closed the doors of the shed, with a sinister smile forming on her lips. The first step of her assassination plan was complete. She lured Koro-sensei into the dark shed where she had prepared her trap.

The octopus turned to look at her, his face still pink, "So what did you want to talk about, Irina-sensei?"

At first Irina remained silent as she turned away from her target and locked the doors of the shed. She then took off her white shirt and turned her gaze back towards Koro-sensei.

"Koro-sensei." She said in a sweet tone as she approached her target, her cheeks slightly reddened, "I... I always fall head over heels for exceptional people."

"NYUAA?" Koro-sensei shrieked in suprise as Irina pressed her boobs against him.

"With your body, your strenght." Irina told him, her tone become more suggestive with each word that left her mouth, "It was love at first sight."

"Oh, er, uh." Koro-sensei tried to respond but couldn't form any words, panicking because of what was happening in front of him.

"Do you think that's strange of me?" Irina asked him, knowing that she had to be as forceful as necessary to distract him so that her target won't notice what is going on around him. She spent all night preparing the shed for her assassination attempt and all of it was to hunt him down, "You're a bad boy, Koro-sensei."

"We can't do this!" Koro-sensei told her, "Not here!"

"Give me a minute to take all this off." Irina said, backing away from her target. She waved to him as she took her cover behind a board, "It'll be all over before you know it."

It was just a few seconds before the three gunmen she brought here yesterday opened fire at Koro-sensei. Every shoot that was fired at their target hit him but didn't do any harm to him because the gunmen were firing at him real bullets from real guns. Unaware that her plan was not working, Irina was more than pleased as she covered her ears.

"Live ammo and real guns." The blond haired woman thought to herself, "An M61, an M134 and an M249. All spraying ammo with superlative speed and firepower. Those weird pellets won't be necessary. After all, there's nothing this barrage of bullets couldn't kill. Firing in sequence complete in three, two, one, zero."

It was when her gunmen stopped firing at Koro-sensei. She stepped out of her cover behind the board with a smug grin, excepting to see her target dead, but instead was met with shock because Koro-sensei was still alive and unharmed. Her eyes widened as her target stared at her with shiny red eyes, steam coming out of his chest.

"Nuruhehe." Koro-sensei chuckled, "I regret to inform you that lead bullets are useless againt me, Irina-sensei. They simply melt inside my body. Now take a good look at my face."

Irina took a step backwards, "...You have four eyes?"

"No, two of them are nostrills." Koro-sensei replied to which Irina responded that they look the same, "I detected a metallic odor and an old an smell that wasn't present in this shed until yesterday. They were so out of place as to open my nostrills."

Irina's eyes widened as she recalled Nagisa telling her yesterday that Koro-sensei had a keen sense of smell for a guy with no nose.

"By pretending to be caught in your trap, I could easily uncover my assassin." Koro-sensei said, his eyes flashing red as he started approaching Irina who took a few steps backwards, "As a pro, you clung too tightly to conventional assassination methods. My students attempts are far more flexible and formidable and did you know? My retaliation takes the form of care and grooming."

Irina took one more step backwards and pressed her back against the wall, looking up at Koro-sensei with fearful expression on her face as the octopus brought more of his tentacles out, wiggling them around.

"NOOOO!" Irina screamed in pure terror.

Her screams of pure terror and the slithery sounds let out by Koro-sensei's tentacles were heard by the students who were still outside on the sportsfield. They all turned their gaze towards the shed.

"What was that?" Okano was the first one to speak up.

"Gunshots, a scream." Okajima paused for a second as he heard slithery sounds, "And now slithery sounds?"

"No!" Irina once again screamed, but this time it sounded more out of pleasure than terror as the students who continued to listen to what was happening in the shed sweatdropped once they heard her scream, "Noo!~"

"I really want to know what he is doing to her in there." Okajima said.

David shook his head, "I've been on the internet for far too long to know where this is going."

"Let's go!" Maehara pushed himself into run towards the shed.

He was followed by the rest. The students quickly made their way to the shed and the moment they reached it, the doors opened and out came Koro-sensei. His face was pink again and some kind of fabric was over his usual uniform.

"Koro-sensei." Nagisa called out for his teacher.

"How are the boobs?" Okajima asked loudly.

"I would've liked to enjoy myself a little longer." Koro-sensei said, dreamily as his face turned yellow, "But thoughts of our classes together drew me away."

"What happened in there?" David asked as he pointed the shed, an unsure expression on his face. He had no idea if he wanted to know what happened in there.

He didn't had to wait for long the answer. Irina came out of the shed shorty after. The students were suprised because she was not wearing her clothes. She was wearing a white shirt with her name on it, a red headband and black shorts.

"Miss Bitch is wearing a wholesome, retro P.E outfit!" Nagisa exclaimed.

"To think he did all that to me in just one minute." Irina muttered but was loud enough for everyone to hear what she was saying as she thought about all of the things that just happened to her in the shed, "He loosened my stiff shoulders and back, gave me a lymphatic beauty massage, changed my clothes at top speed and did that slithery thing with his tentacles..."

"What thing with his tentacles?" The boys asked at the same time as Irina collapsed on the ground.

Nagisa turned to look at Koro-sensei in suspicion, "Koro-sensei, what is she talking about?"

Koro-sensei looked away from Nagisa as his face turned white with a blank look on his face, "Oh, you know, grown ups need grown up care."

"That is not the face of innocence!" Nagisa pointed.

"Nagisa. I think it will be better for everyone if this will remain a mystery." David said to Nagisa as he came to a realization that it will better for him and his classmates if this thing remained a mystery. The bluenette responded a few seconds later with a silent nod of his head, agreeing with him.

"Now, back to the classroom, students!" Koro-sensei declared, starting to lead his students to the classroom.

"Yes, sir!" His students responded in unison.

"This is unforgivable! I've never suffered such an unsightly failure!" Irina thought to herself as she got herself up from the ground. She reached upwards and took of her headband. She turned her gaze towards Koro-sensei who was walking away with his students and glared at him, "I vow on my professional reputation to repay him for this disgrace!"

Later that day, the students of 3-E were in their classroom, looking tiredly at Irina who was sitting on the teachers seat in front of them. She was loudly tapping her tablet, gritting her teeth angrily while doing so.

"Hey, Nagisa." David whispered to Nagisa as he leaned towards his blue haired classmate, earning his attention, "You did tell her that she should have used pellets during her attempt, right?"

Nagisa nodded his head in response as he whispered back, "I did. I told her everything I had written down in my notebook."

David nodded his head in understanding. Despise hearing every information that they gathered about Koro-sensei from Nagisa, Irina must still have thought that normal bullets were better than pellets and that they were going to be more harmful to Koro-sensei.

"Dammit!" Irina shouted in frustation, "Why doesn't this podunk school have Wi-Fi!"

"You're trying awfully hard, Miss Bitch." Karma said, with his arms behind his back, "Guess he really did a number on your pride, huh?"

Irina glared at Karma as Isogai called out of her, "Sensei."

"What?" She asked him, rudely.

"If you're not going to teach us anything, could you bring back Koro-sensei?" Isogai asked her in return, "We've got entrance exams this year."

"Ha! You want that vicious creature to teach you?" Irina laughed as she set her tablet down on her desk and got up from her seat. She offered them a smug mocking smile and continued, "You think your exams matter when the whole's planet at stake? Must be nice being a clueless brat! Not to mention, I understand you Class E students are the dregs of this school."

Her words caused almost everyone in the classroom to look up at her angrily, with Nagisa and Karma being the only exceptions. Nagisa looked worried and Karma looked indifferent.

"Why even bother studying at this point?" Irina continued, "I know. How about this? If I successfully assassinate him, I'll give you five milion yen each! That's far more than you'd stand to gain from a bunch of useless schoolwork! So shut your dumb mouths and do as I..."

She was cut off by a rubber that hit that the backboard, an inch from her head. The rubber bounced off the blackboard and landed on the desk. Her eyes widened.

"Get out." David told her as he was the one who threw the rubber at her. He always wanted to do that to a bitchy teacher, but never had the opportunity to do so until now.

Irina looked at her students and gasped when she saw them looking at her darkly, with looks ready to kill. Suddenly, most of her students got up from their seats and started shouting and throwing stuff at her.

"Take a hike, you stupid bitch!"

"Get out, you fucking bitch!"

"Bring back Koro-sensei!"

"Where'd all this come from!" Irina shouted angrily, shielding herself with her arms from everything that was thrown at her by her students, "I'll kill you all!"

"Yeah, go ahead we dare you bitch!" Sugaya shouted, clenching his fist in anger. Nagisa was one of the few people from his class that remained in their seat. The bluenette covered his head, not wanting to get involved in what was going on around him.

Kayano was standing next to him. The green haired girl glared at Irina with murderous white eyes as she held up a sign that said "No Big Boobs!" before yelling out to her, "Your boobs are way too big to be a teacher!" .

Nagisa looked at her in disbelief, "That's your problem?"

Karasuma watched everything happen through the slightly opened doors to the classroom. He placed his hand on his forehead and let out an annoyed growl.

After the fight with her students, Irina was taken out of the classroom by Karasuma and brought to the staff room by him.

"What's with those brats!" Irina shouted, slamming her hands on the desk as he stood in front of Karasuma who was working on his laptop, "How are they not grateful just to be breathing the same air as a woman like me!?"

"I don't think they see it the same way you do. Hence the class riot." Karasuma replied, annoyed by her behaviour as as he looked up from his laptopt at her, "You should apologize to them. If you want to stick around long enough to try again, that is."

"Why should I?" Irina asked him as she felt how her pride was damaged by it, "Do I look like a teacher to you? Let me focus on the assassination!"

Karasuma let out a frustated sigh, "All right. Come with me."

He got up from his seat and started walking towards the exit from the staff room. He took Irina out of the building and led her to the forest. Once they arrived at their destination, they hid behind a tree and watched Koro-sensei.

"Erromango, one of the islands of Vanuatu, or the New Hebrides." The octopus said to himself as he sat on the beach chair. A small table with at least a dozen of educational books on top of it was standing next to him. He was holding a juice box next to his mouth with one of his tentacles while his other tentacles were holding the stuff all the equipment he needed to do use to prepare tests for his students.

"What's he playing at?" Irina asked.

"He's writing test questions." Karasuma answered, "That's what he does every Wednesday during sixth period."

Irina folded her arms and leaned against the tree she was hiding behind, "He's sure taking his sweet time. At Mach 20, he should've finished ages ago."

"He writes different questions for each student." Karasuma explained as Irina gasped in shock, "They take into account students strong and weak subjects."

"Chiba has spatial figures down pat." Koro-sensei said to himself, "Why don't I throw in a trick question to mix things up?"

"He's a creature of superhuman intelligence and speed who's out to destroy the Earth." Karasuma said as Irina looked at Koro-sensei in wonder, "And yet his teaching work is close to perfect."

He then took Irina out of the forest and led her to the sportsfield where the students were playing a game called "Assassination Badminton". Each team in this game had five players and wielded the wooden knives which they were using to hit the ball over the badminton net. David was standing between Karma and Okuda on the spectator side, with a few other students watching the game with them as Kurahashi was standing next to the scoreboard, changing the score whenever either of the teams scored.

"Now look at the students." He pointed at his and Irina's students.

"They're just fooling around." Irina pointed out, confused.

"That activity trains their ability to strike a moving target with a knife." Karasuma explained, "It's called assassination badminton."

"Huh?" Irina asked as Sugino exchanged a high-five wth Yada after their team scored three points.

"Target and teacher, assassins and students. Here in this bizzare classroom that came about because of that creature." Karasuma began as Koro-sensei was in the classroom talking with Hara and Sugaya. The latter pulled out his Anti-Sensei knife and swung it at his teacher who blocked it mid-air with his tentacle, "Everyone has two roles to play. You make a big deal out of being a professional, but if you can't be both an assassin and a teacher, that makes you the most inept professional here. If you want stay here and continue going after him, don't look down on these students."

With that being said, Karasuma turned away from Irina and walked away from her, leaving the blond haired woman alone to let her think through a few things.

The English class started and everyone were in the classroom, waiting for the English class to start. Irina was not in the classroom at this moment and everyone were either sitting or standing around talking to each other. Everyone stopped when the doors were opened and Irina entered the classroom. Everyone stared at her in silence as she was approached the blackboard and picked up a white chalk before writing something down on it.

Once she was done with it, she turned around to face her students and revealed what was written on the blackboard to them. It was "You are incredible in bed.".

"You are incredible in bed." She read what was written on the blackboard, "Repeat." The class remained silent because they were a little stunned as everyone who was standing before she arrived took their seats, "Come on!"

"Y-You are incredible in bed." The students repeated what she just said. David was a little reluctant to say those words as he was trying to figure out why she was using this as an example for junior high kids.

"When I assassinated a certain VIP in America." She began, "The first thing I did was seduce his bodyguard. Those are the words he said to me. They mean "You screw like nobody's business!"."

Nagisa's face turned red as he thought to himself, "Just what are you making us junior high kids say?"

"It's often said that the faster way to learn another language is to get yourself a lover who speaks." Irina continued her explanation, "You want to know what they're feeling, so you try your hardest to understand what they say. I've had so many opportunities throughout my work to learn quite a few languages that way. Therefore, my lessons will teach you how to sweet-talk foreigners. The basics of endearing conversation to straight from a pro assassin. Master them and they'll come in handy with a real, live foreigner."

"A foreigner!" Nakamura and Okajima thought to themselves dreamily at the same, with the former thinking about a certain pirate from movies and the latter thinking about a certain female archaeologist from video games.

"Let that octopus teach you what you need to know for your exams. The only thing I can teach you is practical conversation skills and if you still don't think of me as a teacher, I'll give up my assassination and leave." Irina told them as her expression turned into more of a shy more. Her cheeks reddened a bit as she fingers against each other, "Y-You're okay with that, right? And I'm sorry about everything else."

At first, the students remained silent and processed what she just said to them for a few moments. They eventually responded to her words by laughing at her but not in a bad or mocking way.

"Why are you so nervous?" Karma asked her, "You were threatening to kill us a moment ago!"

"She's totally a teacher now." Maehara stated.

"We can't call you "Miss Bitch" anymore." Okano smiled.

Irina gasped and placed her hand over her mouth, feeling how joy was filling her body, "You... You understand!"

"It was pretty rude thing to call a teacher." Yada stated.

"Yeah." Kurahashi agreed with Yada, "We need something else."

"How about Bitch-Sensei?" Maehara suggested.

Irina felt how the happiness she felt left her body the moment she heard that name, "Er, how about we move away from the whole "bitch" thing? Just call me by my first name. I don't min..."

"Nah." David said, agreeing with Maehara's suggestion on how they should call their English teacher, "That bitch thing really caught on and I don't think it's going anywhere anytime soon. Not to mention that it fits you much better than your name."

"There you have it." Okano smiled at Irina before welcoming her with her new nickname, "Welcome, Bitch-Sensei!"

As everyone started voicing their agreement that Irina should be called "Bitch-Sensei" not "Irina-sensei" and started calling her the name that she already hated so much, the blond haired woman felt how the happiness she felt a few moments ago was gone and was replaced with rage.

"I hate you all so much!" She snapped which only made her students laugh at her.

As the blond haired woman proceeded to yell at her students how much she hates them and how she is going to end them if they'll continue to call her like that, much to their amusement, Karasuma and Koro-sensei stood next to each other in the hallway as they watched everything through the window.

"She's fitting right in." Koro-sensei stated.

"More or less." Karasuma said as he quietly reached into his suit and started pulling out his M1911.

"Thank you, Karasuma-sensei for bringing her in." Koro-sensei thanked Karasuma, making him stop what he was doing, "She's a bit rough around the edges, perharps, but a welcome addition to our little family, I think. Who better to spice up the language arts syllabus than a globe-trotting assassin like her?"

"Did he seriously see all this coming?" Karasuma thought to himself as he looked over his shoulder at Koro-sensei who was now walking down the hallway, "He stubbornly refuses to say why he choose to teach E Class, but more we make it the perfect place for an assassination, the more we end up making it the perfect place to learn. This monster's got us all wrapped around his little tentacle."

Hope it wasn't that bad. See you in another chapter.