This is a one-shot fan-fiction crossover between Hyperdimension Neptunia and Mega Man, specifically my other fan-fic, Mega Man Neo (which itself is a AU of Mega Man ZX). This story is not canon in Neptunia media or Mega Man media (especially not canon in my Mega Man Neo story). This is simply a fan-fic made for fun and experimentation.
This particular fan-fic is about Kurome Ankokuboshi corrupting the heroic Mega Man Neo (Rokku + Mega Man) into joining her in her ultimate goal of destroying Gamindustri.
Keep in mind that I have NEVER played a single Neptunia video game. But I have watched playthroughs bit by bit by TheTwitGamer and the only playthrough I have officially watched is Hyperdevotion Noire: Goddess Black Heart, which has absolutely nothing to do with the main canon of Neptunia. That being said, though this particular one-shot isn't set in any specific timeline in Megadimension Neptunia VII (the fourth game in the main canon), I still don't have a lot of knowledge about Kurome's...Abilities. I'm going off of the bits of what I seen and/or read via the wikis. This may be a bad idea to write a story involving a character such as Kurome despite not having lots of info on her, but hey, this is exactly what it sounds like: A fan-fic.
So sit back and (hopefully) enjoy the ride!
~Mephiles' Whisper - Sonic the Hedgehog (2006)~
In a dark void filled with despair, distortion, and devastation stood the dark CPU nicknamed Kurome Ankokuboshi. As of right now, she was battling the primary CPUs who opposed her; Purple Heart, Black Heart, White Heart and Green Heart. However, they had allies in the form of Gold Third and others. Still despite the large numbers of opposition, Kurome knew that there was a chance of defeating them all and achieving her ultimate goal: Destroying all of Gamindustri.
Though her opposition was large, she was not alone in her pathway to domination. She had an ally by her side...Or technically, two allies. They were the strangest duo she had ever met. In fact, they weren't even from this world or this universe. No, they were from a completely different universe where concepts such as a CPU or Share Energy doesn't exist at all. Though Kurome has no idea where specifically in the universe the two came from, she knows that their technology is quite advanced; Dare she say possibly more advanced than the one's in their world or at least on par.
Joining her team was Rokku, a 13 year-old normal human boy, and Mega Man, a robot boy who upgraded to a much more advanced robot known as a Reploid. Though that did not sound like much, the two boys could fuse together to form a powerful entity; Mega Man Neo.
Rokku is a young, cheerful and adventurous boy, quick to help those in need, but is sometimes naive and oblivious to a lot of social topics. Mega Man, though he physically resembles a 10 year old boy and sometimes acts as such, is like Rokku's guardian and is his best friend. However, that's what they used to act like. That was before Kurome's corruption. When she met the boys, she felt immense power coming from the two of them and it was primarily from their fusion form, Mega Man Neo. They quite easy to manipulate and using her abilities, she had converted them to her side, with no visible possibilities of reverting back to their normal selves. However, there was some...side effects to their corruption.
Kurome's eyes turned to glance back at her two pawns of destruction, standing right behind her. Rokku pressed his two index fingers and fidgeted about nervously while Mega Man grinned villainously. Rokku's strange side-effects included cowardice, something Kurome gets irritated over. He seems to show great fear in taking on the targets his "leader" assigned to take on and wishes not to fight. Despite his new whiny personality, he does follow Kurome's orders...With a whimper or two. Mega Man, on the other hand, acted like a immature, problem child who followed Kurome's orders with little fuss. Though, he's a terrible liar and this can sometimes anger the dark CPU.
Despite being able to convert them to her side, she could not do too much with them, due to not being CPUs. Rokku was a human, and Mega Man was an android. The best she could do was "brainwash" them. What she did notice, was that the more she was in the process of converting them, the more they gave in. She knew that they couldn't fight back for long and it made their corruption all the more satisfying.
"Rokku. Mega Man. Come to me." Kurome ordered.
Rokku nervously approached his leader, lips quivering and eyes filled with anxiety, the egotistical Mega Man right beside him with that grin of his.
The dark CPU smiled as she returned her gaze at the void they were in. She envisioned a world on the brink of destruction and she was very close to achieving that goal.
"I am very close to achieving my goal. There is just one more thing to do in order to finally be victorious." Kurome turns to her pawns, smirking in glee. "And you two will continue to serve me...As we finally destroy the CPUs..."
Rokku eyes drooped and his lips quivered further. "D-Destroy the CPUs...? L-Like...Neptune...A-And Blanc...A-A-And..."
Kurome's smirk dropped and narrowed her eyes at her "annoying" pawn. "YES. Them, as well as the Candidates and all others who side with them."
Mega Man let out a small chuckle. "Hehehehe! Finally, we get to blow them up! I've been waiting for this!"
Kurome's smirk returned as she heard the enthusiasm of the Reploid. "Glad to hear that. Destruction and chaos is such a wonderful feeling, no?"
"U-Us? A-Against them..?" Rokku quivered, trembling a little. "Are you c-crazy...? W-We can't stand up to them..."
"Shut up. Are you implying that I will lose? Well, are you?" Kurome angrily asked, making her pawn tremble even more and feel undermined as a result.
"N-No... That isn't..."
"Good." Kurome's smiled. "Now, why do you two fuse together...Or as you call it, 'Megamerge'?"
Mega Man smirked with glee. "With pleasure!"
Rokku whimpered. "Y-Yes ma'am..."
The milksop Rokku raised his left wrist, showing off a blue gauntlet-sized device with a screen on the top. It began to shine as did Mega Man's chest. In moments, Mega Man's body began to transform into program data and he quickly transferred into the device, engulfing Rokku's body with digital particles, program data and a bright light.
~Phaaze - Metroid Prime 3: Corruption~
Kurome smiled devilishly as she looked at the end result of the fusion; Her ultimate pawn standing before her. This being before her was the prime reason why she corrupted the two boys when she did. She found it surprisingly easy to convert them. Perhaps it was their fragile minds or something else that allowed her to do what she did. She knew that Rokku's oblivious and naive nature made him an easy target, though even someone like him possessed a strong will. Though, it was not as strong as Mega Man's. Despite that, Kurome changed them as she wanted, though with the personality quirks that can either upset or please her.
However, this weapon, Mega Man Neo, was something special to Kurome. Though it appeared that Mega Man Neo was simply Rokku utilizing Mega Man's armor, it was, in fact, much more than that. Rokku and Mega Man's minds and souls were synchronized, creating this immense power that she loved. With some easy corruption, this power originally meant for good was now being used for her own conquest.
Their armor was changed slightly. Spikes were added on his armor, giving him a much more evil and intimating look. His usual bright colored armor was now a darkened blue that slightly resembled the color black.
He lacked Rokku's cowardice, but he had a bit of Mega Man's sadistic nature. In fact, Mega Man Neo acted incredibly loyal to Kurome, showing zero signs of disloyalty. He seemed to enjoy destruction and chaos. Despite his change in personality in allegiance, his voice has not changed. He still had his original voice, that being of a 13 year old child, but his speech pattern was like a playground bully yet...more sinister. He was the opposite of what Mega Man Neo was meant to be and Kurome found that fact to be her ticket to destroying Gamindustri once and for all.
To think, these two boys appeared seemingly out of nowhere. From what she recalled, the boys came to this universe by complete accident and with them came sentient machines known as Mavericks. Fortunately for the Dark CPU, she had a few of them at her disposal and they were stronger than they looked. Unfortunately for her, a few of them were quite useless and fragile to her. Regardless, Kurome had an army, including Monsters native to her universe, and robotic demons from a universe where Mega Man Neo originates.
She had to admit, she felt something a little more from Mega Man Neo. The more he followed her commands, the more she felt that he was more than just her simple pawn. Though there was no romantic interest, none at all, she felt that she was no longer alone. Kurome felt that Mega Man Neo was not a simple tool to be used and later discarded. No, she felt that he was...Perhaps...Her friend...
...Or something like that.
"Kurome..." Neo began, opening his corrupted, blank purple eyes with a crimson hue, similar to the Dark CPU herself. "...Are we going to finally obliterate the likes of Purple Heart and those who side with her?"
Kurome smiled. "Yes. Their time of judgement has arrived. I will..."
Kurome stopped herself and readjusted what she originally was about to say, her expression looking more evil yet...happy. "We...You and I will no longer have to wait. Their destruction is at hand..."
Mega Man Neo slowly grinned, happy to know that he, along with his leader, can dispose of them. Every last one of them. "Yes... I've been itching for this for a loooong time..."
Kurome smiled and turned away from him. "...So have I."
With those words spoken, a hoard of Monsters and Mavericks appeared before her; All with that dark purple aura around them, signifying their allegiance with Kurome. The Mavericks' mechanical sounds of machinery and anticipation as well as the Monsters' grunts and roars were telling the Dark CPU that they were ready to attack; To kill.
Kurome's evil smile broadened, turning to glance her...friend, Mega Man Neo. Despite corrupted the young hero to do her bidding, she felt comfort having the permanently converted fighter by her side at all times. She was in glee knowing that she had an ally she could depend on; Despite the two faults that lie between the two boys within this fused weapon of mass destruction. Though she knew that Neo shows undying loyalty to her, she knew not if he considered her a friend like she does. Perhaps a question for another time...Once they destroy the CPUs and their allies.
"Let us cause chaos..." she said, almost in a whisper. With that, Kurome, the corrupted Mega Man Neo along with the Dark CPU's army of monsters and mavericks departed to where she believes her enemies are all located;
Planeptune.
~Doppler Demo - Mega Man X3 (SNES)~
or
~Mega Man X3 Doppler Demo(MM8 Style)~
The skies were filled with dark clouds and frequent and loud thunderstorms, and it surrounded around the Planeptune Nation specifically. Within the Basilicom, the four CPUs as well as their four Candidates were all surrounded by Mavericks and Monsters. Neptune's home was practically trashed and devastated; Scorch marks and holes in the architecture. The heroes were in a tight spot and with seemingly no way out. It was bad enough that they could not access HDD due to some type of aura that prevents Goddess Transformations.
After moments of death glares towards their enemies, the Mavericks and Monsters made way for their leader and her dependable ally. Slowly, Kurome Ankokuboshi and the corrupted Mega Man Neo walked towards their enemies.
Neptune and a few others' eyes widen in shock and disbelief, while a few others, such as Blanc, looked on in anger. Their friends, Rokku and Mega Man, the two boys who came to this universe by complete accident and became their friends, was now Kurome's weapon.
"H-Hey... Rocky? Meggy?" Neptune began, sounding a little chipper yet incredibly nervous. "You, uh, feeling okay, kiddies?"
Neo just stared at Neptune, the completely lazy Planeptune Goddess who said the weirdest things and didn't take them too seriously due to her belief that they were just NPCs who just lived their normal lives and could not determine if they were from Planeptune, Lastation, Lowee or Leanbox. However, Neptune was a fun person to be around despite her weird quirks. But that was before. Now, Neo found her obnoxious and only a real threat when she transforms.
"You!" Noire yelled, eyes seething with anger and disbelief. "You...! You BOTH! You betrayed us! How could you!?"
Neo grinned with sadistic glee and looked at Noire, the Lastation Goddess who would constantly lecture Rokku and Mega Man and act superior over them. She especially lectured and undermined Rokku due to his young age. Her kindness towards the both of them was a rarity. They had to impress her or act upset to get her to act nice to them. However, Rokku and Mega Man knew she was acting like this due to wanting to feel superior. In reality, she felt quite lonely at times and wanted friends. Too bad for her...
"I thought we were friends!" Noire screamed. "After all we've been through!"
"Shit eating traitors!" Blanc barked, her right eye shadowed and her left eye red with fury. "I'll smash you into non-existence!"
Neo's grin merely broadened at the sight of the angered Lowee Goddess. She was the most boring of the bunch due to the fact that she preferred to be in solitude. That, and she had a real anger problem. Before Rokku and Mega Man could tolerate it, but now that he was "purified", he could officially say that Blanc was...A nuisance.
"This simply cannot be..." Vert said, seeming to despise what she thought was her friends.
Neo raised a brow at the Leanbox Goddess, Vert. In all honesty, she was the most enjoyable of the four Goddesses he met, next to Neptune. They shared their love for video gaming. However, that was the most they had in common. Even with their common love for gaming, Rokku nor Mega Man could beat her no matter how hard they tried. Now, Neo no longer felt the need to have mercy on her...Or any of them for that matter.
"No!" A voice boomed.
Neo glanced at the redhead resembling Kurome: Uzume Tennouboshi. She glared at specifically her "original self".
"Rokku and Mega Man didn't betray us! That fake me... She DID something to them!" Uzume angrily shouted. "They would never betray us...! Rokku...And Mega Man... They told us that they fight to protect those from those who threaten peace...! They wouldn't do the exact opposite!"
Uzume...A recent friend. Their origin and abilities interested Uzume and prompted her to request sparring matches. She's a fun opponent to fight and a great friend...In the past, that is. The only thing that's holding him back from killing her is the fact that she was the splitting image of his leader, Kurome, save for a few tiny details. To kill one that resembled your leader was a bit of a turn off, admittedly.
Rom and Ram loosened their grip a little from their big sister, looking at Neo. They felt some glimmer of hope with that possibility.
"Yeah, that's gotta be it!" Ram yelled happily.
"They are being mind-controlled...!" Rom added.
Neptune let out a small chuckle, prompting Neo to look at the Planeptune Goddess blankly. Nep-Nep pointed her index finger at her friend. "Hahaaa! Yeeep! I knew it all along~! You're both just under Kurome's stupid little spell, just like we Goddesses were before!"
"T-Then we just have to refresh their memories!" Uni exclaimed. "Just like last time!"
"Rokku! Mega! I know you can hear us! So...Please! Hear our calls and come back!" Nepgear pleaded.
Everyone looked at Neo and Kurome. No one said a word. Aside from the mechanical sounds of the Mavericks, the breathing of the Monsters, and the booming thunder in the large hole in the wall and ceiling, it was silent vocally.
Kurome merely smiled as she looked at the ally beside her stare blankly at their former friends. Suddenly, Neo lowered his head, hiding his eyes from those before him. He began to giggle a little, surprising his former friends. It wasn't Rokku's regular giggle. No, this was a giggle of mockery, of evilness. He then leaned his head back and let out more evil laugh.
"Hehehehehehehe..."
Neptune looked at Neo like he was a weirdo while the others looked on in disbelief, fear and/or anger.
~Atmosphere of Unrest - Mega Man Star Force 2~
"HAHAHAHAHAHA!" Neo roared in laughter, eyes closed and letting his laughs echo in the devastated room. As if on cue, thunder struck as the dark hero continued laughing. He eventually stopped laughing and looked at his former friends with evil in his eyes. His purple eyes with red hue stared daggers at their eyes of confusion, angst and despair. It satisfied not only Neo but Kurome as well.
"I'm sorry girls, but I'm not being controlled...!" Neo said.
The others let out gasps, noticing that Mega was starting to speak in sync with Neo. Their voices had not gone deeper or higher; They remained the same, but they had a child-like evil to their voice.
"I have been freed... Freed from the belief that peace can be obtained...!" Neo and Mega said with glee. "My leader, Kurome, has opened my eyes to this realization! I don't have to fight for peace anymore! Hahaha! I don't have to constantly save a doomed world when another comic-book villain's just gonna keep on trying to destroy the world! Instead, I'm just going to join the Dark Side and help my leader's plan of destroying Gamindustri!"
Neptune's eyes widened in shock. "Huuuh!? Y-You guys WANT to help that faker?! That's kind of a downer!"
"N-No... That can't be right... There has to be something else we're missing...!" Nepgear said in distraught. "Rokku...And Mega..."
"Hmhmhmhm..." Kurome began to giggle to herself. "It's like they said, I freed them. Quite frankly, I'm glad to have been to one to free them of their incorrect path. Now, they know that what I'm trying to accomplish will be beneficial to this world..."
Kurome smirked devilishly at the heroes. "...Oh, I'm sorry. I mean beneficial...to me."
"N-No..." Rom began to cry.
"What happened to fighting for those who can't, huh!?" Uni yelled. "You promised me that you would fight against people like her!"
"You promised me that too!" Noire added.
"Me three!" Ram added.
"Me four..." Rom added.
"You promised all of us, buddy boys! You promised!" Neptune said, looking as if she's not taking the situation too seriously.
"Bleh!" Neo and Mega spat with a look of disgust on their faces. "Just the mere thought of protecting someone other than Kurome makes me sick!"
Then, Neo spoke alone, "Aside from Mega Man..."
Right after, Mega Man took his turn, "Aside from Rokku..."
And finally in unison, "My leader, Kurome Ankokuboshi, is my one and true friend!"
A warm feeling in Kurome's heart was filling her up. Though she did not express it externally, she felt absolute happiness internally now that she was given the official confirmation that they were, in a sense, friends.
However, this did not abide too well with Neo and Mega's former friends before them.
"I can't believe it..." Uzume whispered, staring in awe. "You two really did betray us...And joined sides with that fake me!"
"No... Those two... They aren't like us..." Nepgear said sadly. "They aren't CPUs like us, so they don't rely on Share Energy..."
Nepgear's face straightened as did her stance. "However! I still believe they are there! Rokku and Mega Man! Are friends from another universe still here...! We just have to find a way to help them!"
~Solid Park - Hyperdimension Neptunia Re;Birth 2~
Suddenly, Kurome could feel the barrier that surrounded this particular area shattering. Neo looked around, feeling what Kurome could feel. The barrier that he created... The barrier that prevented the Goddesses from accessing HDD was broken...! It was perplexing to Neo, especially since he was sure the barrier would not break.
"Whaaaaat?!" Neo and Mega childishly exclaimed. "How did that happen?!"
Then, they gasped in unison. Neo frowned and glared at Neptune in particular. "Your Share Energies or whatever...! They overwhelmed the barrier...! I thought for sure that it was impervious!"
"Guess not Meggy Neo~!" Neptune teased. In an instant, the Goddesses all accessed HDD, transforming into their Goddess forms.
"Perhaps Nep Jr. is right. You two are just trapped and are waiting for us to help you..." Purple Heart (Neptune) said in a soft, adult tone. Her face then changed to a stern look. "If this is true, then we need you to fight with us...! Show us that you really need our help!"
"You'll pay for this Kurome!" Black Heart (Noire) yelled. "You have two important people that we want back!"
"I'll make sure every bone in your body is broken!" White Heart (Blanc) announced to Kurome.
"Prepare yourselves! I will not go easy on you both despite your situation!" Green Heart (Vert) warned.
"Bring out your physical embodiment of heroic souls!" Orange Heart (Uzume) said in a slightly chipper tone. "You won't have to fight alone Rokku and Mega Man!"
Neo clenched his teeth and glared at the Goddesses before him. He had completely ignored their cheers and words of encouragement. They somehow had broken the barrier with their precious Share Energy... They embarrassed him and Mega Man in front of his leader/friend, Kurome. She'll surely feel disappointment in the both of them for this!
"This isn't over, losers!" Neo and Mega yelled, Neo shaking his fists. "You made a joke out of us! You won't get away with that!"
~Melody of Isolation - Mega Man Star Force 2~
Suddenly, Neo's began to grow a purple aura. He let out a angered yell as the spikes on his armor grew spikier and slightly longer. His armor also darkened more and created more spikes on his armor, particularly on his helmet. Now, his armor was black, showing zero signs of the blue it once had previously. He glared at the Goddesses angrily.
"Their power... Grew so much...!" Black Sister (Uni) muttered.
"This must be Kurome's influence on them...!" Purple Sister (Nepgear) thought aloud.
"Even so, we can beat them if we work as a team...! We'll get rid of you faker and then we'll save Rokku and Mega Man...!" Purple Heart (Neptune) said menacingly.
Kurome chuckled to herself, looking at the other CPUs like fools. "Don't lie to yourselves. You all really think you stand a chance? Neo is just as strong, if not stronger than all of you combined. The best you'll do is just provide him and I with some entertainment as you all draw your last breaths..."
Kurome took a step forward, cracking her knuckles and grinning sadistically as she stood alongside her ally. "I'll ensure that personally... There is no Share Crystal that can prevent what is to come 'Me'!"
"Those two aren't weak! They were just caught off guard is all!" Orange Heart (Uzume) cried. "We'll show you! Even if they are a human and android, we'll rescue them!"
"Shut up, windbags!" Neo and Mega barked, Neo's teeth clenched in annoyance and anger. "The way you all talk is annoying! Talk about friendship and power of love... YUCK! That's totally gross!"
"We want you two to return to the right side," Black Heart (Noire) said in concern, but immediately bringing on her serious demeanor. "We'll do whatever it takes to make sure you both realize what you are doing is wrong! Even if it means we have to knock some hard sense into your skulls! Ready yourself!"
"I grow tired of this talk. Mega Man Neo, Rokku and Mega Man, belong to me!" Kurome growled, eyes expressing pure rage. "They fight for me and me alone. I will not allow any of you to interfere with the one ally I can truly depend on! We'll destroy you and all who oppose us! Then, we will destroy all of Gamindustri!"
"Riiiight!" Neo and Mega screamed in excitement. Neo whipped out his Mega-Buster and began charging it, a charge sound audibly heard. "Say your prayers, dumb CPUs!"
Kurome raised her hand and flung it forward, pointing at her opposition. "My legion... Attack without mercy!"
The Mavericks and Monsters roared and began to close in on the CPUs. In a near instant, the battle was taken outside as the Goddesses used their divine wings to blow their Monsters and Mavericks out of their sight. The Goddesses flew to the streets of the deserted Planeptune, watching as Neo and Kurome landed on the streets as well, followed by a increasing number of Mavericks and Monsters.
"You're all just delaying the inevitable. I hope you all know this...!" Kurome yelled.
"So let's end this fight with a BANG!" Neo cried, his deranged eyes screaming psychotically. Neo and Kurome charged at the Goddesses, the Mavericks and Monsters following right behind them.
"Everyone! Attack!" Purple Heart (Neptune) cried. The nine Goddesses charged towards the two enemies as well as the army behind them.
As Kurome approached her most hated enemies, she began to think about her friend, Rokku and Mega Man. Though when he is Mega Man Neo, he shows undying loyalty to her and admits to her being his friend. However, she could not shake off the feeling that perhaps... The original Rokku and Mega Man are lying dormant inside while their corrupted personalities take their places. Kurome wished to not believe what those pathetic CPUs said, but if the possibility is there, what would become of her and her ultimate goal...?
I have ideas for three different "endings" with this particular fic: A Bad Ending, a Normal Ending, and a Good Ending. Stay tuned for those short endings. :)