AN: Before you read, this chapter has a lot darker themes than previous ones, if those were already too much for you, do not pass.
Ochako was patrolling the halls near Izuku's dorm, definitely not stalking him, when she hears conversation from his neighbors dorm.
"Yeah, anyone can get in with an invitation no questions asked." Mineta says.
"Alright then, but only because none of the girls here are interested in me." Kaminari says with a sigh.
"I thought you and Jiro were a thing." Mineta questions.
"Not at all sadly, I asked her out and she said I was funny, but not the good kind." Kaminari answers.
'As if anyone would be impressed by his stupidity.' Ochako thinks.
"Too bad, even with her figure she's still something." Mineta says.
'Oh, I'm so telling Jiro about this if she sees me in the future.' Ochako thinks deviously.
"Yeah, I thought she would be desperate." Kaminari agrees.
"Alright, meet you at the gate around nine Saturday night." Mineta says and Ochako decides to move on.
Ochako trailed the two perverts to a derelict warehouse in the rusted part of the city that hadn't seen good days since before the dawn of quirks.
As Ochako peered through the upper windows she saw something even she could not let slide. It was some kind of human trafficking and exploitation group. The mere thought that heroes in training could go to such a place was beyond even Ochako's world view. Soon enough she could watch no more, some of those females looked far too young.
Ochako decides to wait across the street for the pair of miscreants to leave. And after some time they do, looking far too satisfied to have merely visited.
'I should just report this to Mr. Aizawa, but I don't think their punishments will be up to my standards. I need backup, and more than just Toga.' Ochako thinks as she easily avoids detection by the corrupted hero students. 'Is it finally time to tell Izuku? No, he's too kind for something like this, better leave him in the light while I live in the shadows. I know, it's time to start corrupting the others.' She thinks as a smile that would terrify the oldest veterans begins forming on her otherwise bubbly face.
It had taken two months of work to convert the other girls to her ways. Some, like Kyoka were rather simple, a few suggestions here, some timed mean comments from the boys there and bingo, her rage was ready and her love was blossoming. Others took all month, Momo was particularly difficult to convert, even three weeks of nighttime subliminal messaging didn't darken her soul. Only a specially engineered training session where she lost repeatedly followed by a rescue by Izuku brought her into the fold. A few stories during a night time girls 'study' session about Izuku's past and Momo was ready.
After finally getting all the girls to join the love, Ochako spoke with the three she needed for this mission.
"Our resident pervert and his dopy sidekick have been committing unspeakable crimes." Ochako begins after dragging Tsu, Momo and Kyoka into her dorm room.
"And he's still alive?" Kyoka asks.
"Unfortunately his actions are so terrible his demise would not stop the crime." Ochako continues.
This shocked the girls, since they now knew of Ochako's protection of Izuku's happiness and didn't expect her to hold back.
"What could he possibly be doing?" Momo asks.
"Something almost as bad as hurting Izuku." Ochako says before pausing dramatically, "He's spending time in an establishment that enables the R-word of innocents."
"Are you sure of this?" Momo asks in shock.
"Yes, I had my bff infiltrator check it out and it's all real." Ochako says, "She really had to hold herself back from protecting those girls then and there."
"We're in then, what's your plan?" Kyoka says.
"It's rather simple, I have the costumes we will need ready as well." Ochako says, before turning off her lights and lighting up her planning monitor.
Ochako walks calmly into the warehouse behind the two class perverts, she was dressed in a black combat suit and an old Yandere-chan mask she had found for cheap online. Even though this was the largest operation she had ever planned, Ochako was not nervous, the thrill of dirtying her hands once more in the name of her Izuku, warmed her up and kept the jitters away.
"Hey, who are you?" the single guard asks as she places her hands on the door into the main area.
"Just a girl looking for a good time, you have the goods I'm looking for correct? My friend said you cater to even girls of my persuasion." Ochako says with an unnaturally silky voice.
"Show me your invitation." The guard says stoically.
"Of course, it's in my boot." Ochako says, before bending over in such a way as to block the guards view.
"Oops." Ochako says as her knife silently enters the guards throat and she moves to catch him.
'Don't know why I'm being quiet.' Ochako thinks as she allows the blood to soak into her hands.
So thus bloodied and with her adrenaline and sanity ready to go, Ochako steps though the secure door, walks to the receptionist with a smile on her face and cuts out his throat. The chained merchandise screams in terror as the man's lifeblood pours onto the dirty desk.
Assuming that was the signal Tsu begins collecting any innocent she can reach and sending them through the window and into a shelter they had constructed earlier.
And so, the bloodbath began. As the many guards rushed Ochako, the rich clients were guided to the exits, only to find the doors unopenable as Momo had already welded all other exits shut and stood with Kyoka at the front door to prevent any escape.
Only the pure laughter of a deranged girl could be heard over the screams of the dying guards. Ochako easily fought her way through the thug-like guards, they made the chumps at the USJ look like a competent fighting force.
Mineta and Kaminari were terrified, they had come expecting a good time, at worst a hero would raid and they would claim to be undercover and get away. This bloodshed was unplanned for.
"A villain takeover?" Kaminari asks in a panic.
"Let's just hope they let us clients live." Mineta wails.
As the last guards body falls to the floor the disguised Ochako turns to the huddled mass of clients.
"You have control of the operation! Let us live!" A businessman asks desperately.
Ochako only tilts her head to the side, her posture suggesting someone wondering if she should buy whole or skim milk.
"I know that mask!" Mineta wails, "It's from the old game Yandere Simulator!"
"Is that a good thing?" Kaminari asks.
"NO! It means we're all dead! Run!" Mineta shouts and the group begin struggling against each other to be the first one to leave.
Ochako stares for a moment before jumping into action, easily catching up to the mob and picking off the defenseless monsters one by one. As the blood of their fellows begins falling upon them as Ochako performs several flamboyant kills, the fleeing clients are spurred into even greater panic, and several are trampled to death as they fall.
By the time they reached the doors only five remained including the students. Breaking through the front door they are close lined by prepared baseball bats and soon beaten to a pulp. The two hero students are left untouched and are pulled back into the facility by Ochako, her bloody hands soaking the collars of the two students.
"Stay back! I'll fry all of you if you hurt me!" Kaminari shouts desperately.
"Oh? And hurt your little friend?" Momo asks, the two boys wondering where they had heard that voice before.
"He won't be hit!" Kaminari bluffs.
"Don't bother lying. We know your quirks." Kyoka taunts.
"Wait? Jiro?" Kaminari asks.
"Correct." Kyoka says and they take off their masks.
"Yaoyorozu!?" Mineta shouts in confusion, "Then who is..." He manages before seeing the truly deranged smile and dark eyes of Ochako.
"Ur...Ur...Uraraka!" Kaminari and Mineta shout in fear.
"You thought you could plan evil deeds so close to my Izuku?" Ochako asks menacingly, "To dirty the air he breathes with such filthy words?"
"And to even consider me easy?" Kyoka adds.
"I didn't mean it! It was just a joke among friends!" Kaminari wails.
"And then this place?" Momo asks.
"We were just investigating, you know hero work!" Mineta claims.
"You never said such a thing before." Kyoka says.
"Only ever talked about all the fun you were having." Momo adds.
"It was all Mineta! He dragged me into this. I was going to leave as soon as I saw what was happening!" Kaminari tries.
"Hey!" Mineta shouts angrily.
"Seven times? You came here at least seven times and claim to be leaving immediately?" Ochako laughs.
"It doesn't matter though. If you try to get us in trouble we'll just tell them about all the people you just killed." Mineta threatens.
"You seem to be under the false assumption you were going to survive this." Ochako says with condescending kindness.
The two could only plead desperately as they were tied up and gagged before being brought back out of the building.
"You know there's a historical figure I admire? Vlad Tepes, he had a unique method of dealing with prisoners, so unique it earned him a name." Ochako lectures.
"Vlad the Impaler." Momo clarifies, to the growing fear of the two prisoners.
As Momo created a pair of pikes, Mineta's fear got the better of him and he lost control of his bladder.
"Oh, that's embarrassing." Kyoka says as Tsu finally arrives from around the corner of the warehouse.
"They all agreed to keep their mouths shut." Tsu says with a ribbit.
"Asui?" Kaminari wails through his gag.
"Hello villains." Tsu says.
With the two pikes securely planted Ochako activates her quirk on the two perverts she turns to the girls and says, "you don't have to help here, I don't want you to get your hands dirty."
"It's fine." Kyoka says, using her jacks to guide Kaminari into position.
"We're already guilty of entering into a criminal conspiracy to murder so might as well go all the way." Momo says as she ties a rope to Mineta's leg.
"No problem." Tsu says, using her tongue to guide Mineta's other leg.
"Release." Ochako says with glee and the two land with perfect alignment on the two spears and the impalement begins.
"Three, two, one, and pull!" Ochako calls and the lives of two more hero students end as the pikes exit their mouths.
"Perfect." Momo says.
"Let's go. We need to get to sleep if we want to catch Izuku's morning workout." Kyoka says with a bored tone.
"Let's hurry!" Ochako says, her dark demeanor vanishing and her bubbly personality surfacing once more.
Once the four left a fifth arrives on scene and happily collects the blood her friends had kindly spilled for her.
Aizawa was enjoying an early morning patrol, as tired as his 3 AM excursions made him, they were calming to his mind and the fresh air helped wake him up. As he turned down a street he hadn't patrolled in a while he was treated to a sight he should have never seen. Two of his students, cruelly impaled and bled out in front of an abandoned warehouse.
Aizawa immediately hit his emergency beacon to summon Nezu and the police. As he investigated the scene he noticed signs of bodies being pulled across the ground and entered the building to investigate. What he found was terrifying and bloody enough he nearly began panicking and exited the building immediately.
"Aizawa, we received your signal, it's not like you to call so soon afterward." Nezu answers within one ring of Aizawa's phone.
"We have a mass casualty event with two students as victims." Aizawa says with a desperate tone Nezu had never heard from the man.
Aizawa heard shuffling on the other end of the line before Nezu shouted "Toshinori, get every teacher assembled at the gate ready to fight in five minutes. The school is locking down."
As the blast shutters closed and turned the dorm buildings into fortresses, the girls grabbed Izuku and ran into Momo's room.
"Izuku we don't feel safe." Mina says as she sits on Momo's bed with the rest of the 1-A females.
"Stay with us." Toru adds.
"If you're all sure." Izuku says.
"You're a man we can trust to protect us as we finish sleeping." Momo says.
"Alright! You can all sleep comfortably because I am here!" Izuku says with a near perfect All Might imitation face.
The girls responded the only way they could, with exaggerated comments of 'my hero' and many suppressed giggles.
"We found these victims resting on the side of the building. They claim that masked villains attacked this illegal brothel and killed all the clients. They refuse to provide any description of the villains or any details of the event." A police officer briefs All Might, Nezu and detective Naomasa.
"Do we believe them?" All Might asks.
"Initial medical examinations along with their states of dress align with their story." The officer answers.
"So they are protecting the killers." All Might comments.
"Those killers rescued them, I wouldn't be surprised if they took this secret to their graves." Nezu says.
"So we should give up?" All Might asks.
"No, I will interrogate them once they receive proper treatment, and our finest crime scene investigators will scour the scene until they find something." Naomasa says diligently.
"Anyway, it looks like once more we must deliver bad news to our students' parents." Nezu says sadly.
"I think they were clients to this operation." Aizawa says as he leaps off the warehouse roof, scaring All Might. "Can't believe you were the number one hero." Aizawa comments with disdain.
"Sorry." All Might mumbles.
"Anyway, if you're sure then we have even worse news to tell their parents." Nezu says.
"Indeed, learning that their children died while allegedly participating in illicit activities of this nature will be quite the shock." Naomasa says, "I'll see if one of our associated social workers can come with you to help deal with the fallout."
"That will be appreciated." Nezu says.
"Sir! The coroner reports several bodies appear to have had their blood drained after they died." An officer reports in a hurry.
"Himiko Toga." All Might says with growing anger.
"The League? I wonder why they would do such a thing?" Naomasa questions.
"Perhaps young Toga has a soft spot for victims of crimes like these." Nezu wonders.
"At least that's settled. It was the League." All Might says with desperate confidence before walking towards a car.
"Is he serious?" Aizawa asks, but he only receives a chuckle from the principal and silence from the detective, who turns to resume his work.
AN: Honestly I hesitate to release this chapter because it doesn't really fit with the rest of the story, but I've already written it and it's just sitting here, so might as well right? I may end up becoming an AU in an AU though.
PS: After editing this I'm concerned about where my mind was while I wrote this...