Izuku opened his eyes and was met with nothing but a black void.
"Am I...am I dead again?" Izuku asked.
"No." Said a demonic voice behind him.
Izuku turned around and saw him...or rather it.
It was a demon, it had to be. A skeleton covered in blue flames.
"Who...what are you?" Izuku shakily asked, fear filling his voice.
"I am Zarathos. We are currently inside your soul." Zarathos explained.
"M-my s-soul?" Izuku asked.
"You are confused," Zarathos noted. "I shall explain. Many years ago I was a demon who fed upon the souls of the wicked. However, Mephisto, the demon that you summoned, had disliked that I was keeping souls from going to hell, and to him. He challenged me, I knew he was not strong enough to beat me, so I accepted. But I was deceived. He left me in purgatory and placed a seal on me, that would make it impossible to find him should he return, and impossible to leave. A was there for thousands of years until you appeared. Your rage summoned me and allowed me to find you, despite the seal. I then used my power to drive away Mephisto and break his hold over your soul. You see, I may not have been able to leave purgatory in my demonic body, but if I placed myself within your soul, and then used my power to revive you from death. Then I would be able to return to the mortal realm. So that is exactly what I did."
There was a short pause as Izuku took in all this information. "S-so. Your in...my soul?"
"I am now a part of your soul," Zarathos said. "We are linked. Now. And forever."
"There's a demon...in my soul," Izuku said meekly.
Then he realized something.
"Is that why I…Is that why I k-killed those people!?" Izuku asked.
"Yes. I am the spirit of vengeance. Whenever innocent blood is spilled, I shall come to devour the souls of sinners." Zarathos explained. "However. Since I cannot physically appear, I have granted you what power I have left, to perform my duties.
"NO!" Izuku shouted. "I would never...I would never kill anyone!"
"You have little choice in the matter," Zarathos said. "While taking over your body would be...extremely difficult, influencing your mind is not nearly as hard. We share a soul, so I all I have to do is share my rage for the sinners with you, and you'll find yourself unable to resist killing them."
"NO!" Izuku shouted. "I-I-I'll stop you! I'll stop you somehow! I'll resist! I'll force you out of me!"
Zarathos shook his skull. "Try as a might. Your efforts...will be futile."
Suddenly a wave of blue flames flew out of Zarathos, and their surroundings changed.
Now they were in a barren hellscape, covered in blue and green flames, and populated by screaming figures cloaked in shadow.
"This is our soul, Izuku," Zarathos said. "The green flames are the manifestation of your soul, and the blue is a manifestation of mine. These figures you see. They are the souls that you and I have collected. Burning for eternity."
Izuku looked on in horror, at the people suffering in front of him.
"Even if you were to stop me from devouring their souls, they would simply go to hell eventually. You can not save those who have damned themselves, Izuku." Zarathos said. "Now. Accept your fate."
Chain's flew out of Zarathos's mouth and wrapped around Izuku.
"Ah! Ah! AHHHHH!" Izuku yelled as he was pulled into Zarathos.
The next day, with Mitsuki Bakugo.
Mitsuki sighed.
Things have been quiet since Inko and Izuku's death.
Far too quiet.
Normally the house was filled with the sounds of Mitsuki and Katsuki yelling at each other, but as of late Katsuki has been...not himself.
He's been quiet, and reclusive. He hasn't even threatened to blow her up once.
She, of course, was hurting from her friend's death as well. But she couldn't afford to grieve now. Katsuki and Izuka needed her.
Speaking of Izuka.
In Inko's will, she wanted Mitsuki to take care of Izuku and Izuka. Or rather, just Izuka now.
However, Mitsuki wasn't stupid. She knew that keeping Izuka and Katsuki in the same household would likely end with her not having a house.
So since she now owned Inko's old house, she just had Izuka stay there, which Izuka agreed to without hesitation.
Izuka may be in shock for now, but when she eventually snapped out of it then she would almost certainly take her anger out on Bakugo.
"Inko. I'll fix this. Somehow." Mitsuki swore.
Ring Ring! Ring Ring!
Mitsuki sighed and picked up the phone. "What the fuck do you want!?"
"Um uh. Are you...Mitsuki Bakugo." A man on the other end asked.
"Yeah. Who the fuck wants to know?!" Mitsuki asked, not having the patience to deal with anyone's shit today.
"Um. This is the police department. Since you are the current guardian of the Midoriya children, we needed to inform you of the...extremely puzzling situation." The man said.
Alarm bells went off in Mitsuki's head. For one, why the fuck would they say, the Midoriya children when only Izuka was still alive. Second, why the fuck would the police be calling about something relating to the Midoriya's, and calling it a puzzling situation.
"Explain." She demanded.
"Ah. you see late last night, Midoriya Izuku came back to life." The officer said.
Suddenly the world froze, and Mitsuki's heart skipped a beat.
"What?" Mitsuki said quietly into the phone.
"We don't know exactly how it happened, all we know is that Midoriya Izuku suddenly came back from the dead and kicked open one of the body lockers with what I'm told is recently developed quirk." The officer said.
"Don't fuck with me!" Mitsuki shouted. "Izuku was fucking quirkless!"
"L-like I said ms, we don't know exactly what happened, but we have the camera footage of what happened in the morgue to confirm it." The officer said.
This is impossible. This is, this is- Mitsuki was struggling to organize her thoughts while also dealing with the shock she was feeling.
"S-so. Izuku is...alive." Mitsuki asked, hope and desperation filling her voice.
"Yes." The officer confirmed. "But he-"
"Where is he!" Mitsuki asked.
"Um, he's at Byoin Hospital." The officer said. "But-"
Mitsuki immediately hung up the phone. "Everyone get down here! NOW!"
It didn't take more than two minutes for Katsuki and Masaru to be downstairs where Mitsuki was rapidly putting on her shoes and coat. "Get dressed Izuku's alive!"
The two of them looked at her with the most shocked looks on their faces.
After a few seconds, Masaru slowly walked up to Mitsuki and put his hand on his shoulder. "Honey. I think you need to take a break."
"I'm not fucking crazy! The police just called! Something happened and now Izuku is alive somehow. He's at Byoin Hospital. Get dressed and get in the car! I'm calling Izuka!" Mitsuki said.
Meanwhile with Izuka.
Izuka sat silently in the kitchen of her home. Solemnly and silently eating a bowl of instant ramen.
Her cooking wasn't exactly...edible so since Inko and Izuku were both dead, she was stuck with either getting food from outside or making things that didn't really require her to cook much.
Although she hadn't actually been eating all that much.
Not just because most of the food she got from outside paled in comparison to her mother's and even sometimes her brother's cooking, but also because it was a reminder.
Each time she took a bite she would ask herself, why am I eating this subpar trash? And then she would remind herself, oh right, because my family is dead and I can't cook.
She wasn't starving herself, but she wasn't eating anywhere near as much as she used to.
As she ate, she tried not to look at the walls. Still covered in pictures of happy memories that were now horribly painful to her.
She didn't have the heart to take them down.
After she finished eating she threw the plastic cup in the trash and walked away.
The silence that had been plaguing the house weighed heavily on Izuka. As while their house had never been anywhere near as loud as, say, the Bakugos, but even then it had never been this quiet.
The sounds of Inko humming as she cooked, the explosions on the T.V. from the hero shows Izuku would watch while he scribbled away in his notebook.
All gone.
She made her way to where she had been sleeping all this time.
The bathroom.
Staying in her mother's room proved too painful, as there were far too many pictures hung up in there.
And obviously staying in her and Izuku's room was not an option. She didn't really think staying in the room where her brother had killed himself and where her mother died of shock, was a good idea.
So every night she goes to sleep in the bathtub.
She got into the bathroom, laid down in the tub, and stared at the ceiling.
Where did I go wrong? Izuka asked herself.
It was a question that she had frequently asked herself since she read her brother's letter.
I was protecting him. I was fighting because of him. I just wanted him to be safe. Izuka told herself.
Why. Why is it...that no matter how hard I try. I lose.
Ring Ring!
Izuka's phone started buzzing in her pants, interrupting her brooding.
She took it out of her pocket and looked at the caller I.D.
After seeing that it was Mitsuki she answered. "Hi, Aunt Mitsuki."
"Izuka I don't have time to explain! The police called and told me Izuku is alive!" Mitsuki shouted over the phone.
Izuka's breath halted. "Wha-"
"He's at Byoin hospital! I'll be out in front of the house in a minute! Hurry and get dressed!" Mitsuki ordered before hanging up. Giving Izuka no time to ask questions.
Izuka stayed, frozen from shock in the tub for about half a minute before jumping up and making a mad dash towards the closet to grab her clothes.
Later at the hospital.
The Bakugos and Izuka burst through the door and Mitsuki immediately went up to the woman at the desk.
"Where is Midoriya Izuku!?" She asked.
Slightly alarmed and intimidated, the woman said. "Just a second." Before typing something on her computer. "Oh. I'm sorry Ms. But he's not allowed to receive visitors at this-"
"WHERE THE FUCK IS HE!?" Mitsuki asked again with the voice of something raised from the pits of hell.
The woman, now fearing for her soul, said. "Room 666! Third floor!"
With that, the group quickly ran towards the elevator, with Masaru giving the women a brief apology.
After a short ride in the elevator, they had made it to the third floor. Where they were met by a scruffy-looking homeless man and what looked to be a detective in a trench coat.
"Mitsuki Bakugo. We had a feeling you would show up." the man in the trench coat said.
"Despite the fact that we told them not to let in any visitors." The scruffy-looking man said.
"Like hell, I'm letting that stop me!" Mitsuki shouted. "Now let me through!"
"Actually we've come to escort you to him." The man in the trench coat said. "It would probably go smoother than trying to turn you away. I am detective Naomasa. And over here is the pro hero Eraserhead. He's here for everyone's protection."
They started following him as Mitsuki asked. "Protection? What the hell do we need protection from?!"
"We will explain once we get to the room," Eraserhead said.
Mitsuki was about to object when Masaru put a hand on her shoulder. "Let's not push our luck dear."
"Tch." Was Mitsuki's response.
Bakugo and Izuka had, however, were extremely anxious, and each step it took to get to the room felt like a thousand miles to them.
In reality, it didn't take more than a minute for them to arrive in front of the door.
Everyone took a deep breath, and Naomasa opened the door.
And inside was Izuku. Alive and breathing.
It was a sight that brought tears to the eyes of the entire Bakugo family and especially Izuka.
"I-Izuku," Izuka said faintly.
She was about to run over to him, but Eraserhead stopped her.
"Don't get too close. It's dangerous." Eraserhead warned.
Izuka did not like what she was hearing, and she was going to let Eraserhead know that.
"What the fuck is so dangerous!" Izuka shouted at the hero.
Oh great. She has a mouth on her too. Eraserhead thought.
Naomasa sighed. "Your...not going to like this next part."
"Yeah, I figured. Now stop beating around the bush and fucking explain for fuck's sake." Mitsuki said.
"Well...as you've been told. Izuku here seems to have finally developed a quirk, one that allowed him to get out of the body lockers and is possibly the reason for his resurrection." Naomasa said. "However, you hung up on our officer before he could tell you the rest."
"Soon after getting out of the body locker, he proceeded to go through a violent and painful-looking transformation," Eraserhead said. "Afterwards he started acting differently, and broke through the wall of the morgue."
"Later he was found knocked out in a warehouse. With multiple dead criminals around him, all of which suffered extreme burn wounds. And it just so happened that your brother's new quirk seemed to involve pyrokinesis." Naomasa finished.
"Wait one fucking minute," Katsuki said. "Are you trying to say...that he killed those guys!"
"Well given the evidence-" Eraserhead was cut off.
"Are you out of your fucking minds!" Mitsuki, Katsuki, and Izuka shouted at them all at once.
"Izuku would never hurt a fly!" Izuka said.
"De-Izuku's never punch a guy in his whole fucking life! Now you're calling him a fucking killer!" Katsuki shouted.
"My taxes are being wasted on paying idiots like you!" Mitsuki said.
"Please, let's be reasonable here. The boy is harmless, I assure you." Masaru said, much quieter than everyone else.
"The kid's case file does indicate that it's unlikely he did this of his own free will," Eraserhead said. "What's more likely is that his new quirk caused him to go berserk, and for whatever reason, he killed those people. Or perhaps coming back from the dead has caused some serious mental trauma. Either way, given the state that the warehouse was in when we found him, his quirk is likely to be very powerful, and if it is causing him to go berserk, very dangerous. My quirk allows me to turn off any transformation quirks like his, so we shouldn't be in any danger."
"My quirk is lie detector. So if he really didn't kill those people of his own free will, we'll know." Naomasa reassured. "And if his quirk is the cause of this, we will do everything in our power to-"
"AHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH!"
Everyone looked back at the bed to see Izuku awake and thrashing against the restraints on his arms and legs.
"Ahh! AHH! AHH!" He screamed in terror, as he tried to break the bands.
His wrist started smoking and glowing, and the restraints quickly broke off and Izuku thrashing about.
Eraserhead immediately activated his quirk, his hair raising and his eyes glowing red.
However, Izuku didn't seem to notice, as his entire body started becoming engulfed in smoke.
"It's not working?!" Eraserhead said.
Izuku however, started to calm down, realizing that he was no longer with Zarathos.
The smoke dissipated and the glow was gone. "Wha-what happened? Where am I?"
"Izuku!" Izuka shouted, running up and hugging him with tears streaming like rivers down her face. "Izuku! Izuku! Izuku!"
"S-sis?" Izuku said, extremely confused as to how this happened. "What? How? When? Who?"
He heard sniffing and looked over to see the Bakugos.
"Aunt Mitsuki? Uncle Masaru? Kacchan?" Izuku said.
While everyone else was swept up in the emotional moment, Naomasa decided it was time to act.
"Izuku Midoriya. Please calm yourself. You're in Byoin Hospital. We found you passed out in a warehouse. Are you feeling ok?" Naomasa asked.
"Passed out in a ...in a warehou-oh god," Izuku said. "Oh god no. no. no. .NO!"
Izuku started hyperventilating again.
"No. NO! What have I done! What have I done!" Izuku shouted, tears quickly coming down his cheek. "Those people! Those people! I-I killed them!"
Everyone froze.
"I-Izuku." Izuka stuttered.
It's a half-truth. Naomasa said. I'll have to ask more questions.
"Izuku," Naomasa said. "Did you kill those men of your own free will?"
"N-no! I-I mean...I didn't want to. But he made me want to." Izuku explained. "He made me hate them. He made want to kill them."
"Who is he?" Naomasa asked.
Izuku hesitated. He didn't know who this man was. He looked like a detective, but should he tell him about Zarathos? Would he believe him?
No. Izuku thought. No. He won't. No one will believe something like that. They'll say I'm insane! Or that I'm lying! They'll try to lock me up! But...that power. Izuku thought back to when he was fully transformed. The power was immense. And he had a feeling that that wasn't even all of it. They can't contain that power. He'll just make me break out!
Izuku looked at Izuka, and then at the Bakugos.
Are any of them safe? I know that they're not killers...but what if Zarathos was lying? What if he just wants to eat any human souls?! He would make me kill them!
With that terrifying thought in his head, Izuku made up his mind.
I can't stay with them. I can't let them get hurt.
Izuku wrapped his arms around his sister. "Sis. I'm sorry. I'm so so sorry."
"Izuku. What happened? Who made you kill those people?" Izuka asked him desperately.
Izuku embraced her harder. "I'm sorry Izuka. I'm sorry I was so stupid. I shouldn't have summoned him. I shouldn't have made that stupid deal."
"Deal? What deal? Who is him?!" Izuka asked.
There was a long pause before Izuku let go of his sister.
"I need to go." He said. "No one is safe. No from him. Not from me."
"Sorry to burst your bubble but you're not going anywhere," Eraserhead said. "There are four other pro heroes around the perimeter of this hospital. No matter how strong your quirk is, you won't escape."
This was a lie. They only really had him and one other pro hero. But the Izuku didn't need to know that.
"If you feel like your quirk is too dangerous for you to be around other people we can escort your family out." Naomasa offered.
Izuku shook his head. I need to use these powers? How do I use them?
Izuku looked back at the memory of his transformation.
Anger. That must be it. Zarathos used his rage to make me transform. So I should be able to trigger it if I get angry enough. But what's there to get angry about...oh right. Everything.
The unrelenting despair he felt every day of his life, his sister's control-freak nature, his old friend beating him up, his death, his mother's death, this current situation he's in.
Izuku grit his teeth as his blood began to boil, literally.
"Gah! Ahh!" Izuku grunted as his flesh started to burn. Much to the shock of everyone else around him.
"Izuku! What's going on!?" Izuka asked in a panic.
"He's transforming!" Eraserhead said. "And my quick still isn't working on him for some reason!"
"Everyone! Midoriya Izuku is trying to escape! I repeat! Midoriya Izuku is trying to escape!" Naomasa shouted in his walkie talkie.
Izuku skin and flesh started burning away, revealing the bones and fire underneath.
He looked at his sister. "SIS. I'll be back when I'm fixed. I'm sorry. Kacchan. Please take care of her. And catch."
Izuku, now fully transformed, grabbed Izuka and threw her at Bakugo, who was far too shocked to catch her, causing them both to fall.
Izuku rose from the hospital bed, only wearing his hospital gown and walked towards the window.
"Oh no, you don't!" Eraserhead threw out his capture gear at him, wrapping him uptight.
Izuku didn't seem bothered in the slightest though and merely incinerated the bindings.
Izuku punched the wall, causing most of the wall to crumble.
He looked back at Izuka and the Bakugo's. "Goodbye."
Then he jumped out of the hole he made, falling three stories down before hitting the ground unharmed, making a small crater under him.
Any people who were nearby ran away screaming at the sight of Izuku's transformed state.
"Sorry young man. Can't let you go any further."
In front of him was the rescue hero Backdraft, aiming his nozzles at him.
On any other day, Izuku would have been geeking out like crazy. However, now he was not really in the mood.
Backdraft shot out a stream of water at Izuku, which immediately turned into steam, and Izuku seemed unaffected.
Backdraft was shocked and continued to up the water pressure, still not managing to do anything to Izuku aside from making his gown wet.
Izuku ignored him and tried to figure out how to summon that motorcycle he had last night. Okay so if I concentrate and think about a motorcycle.
In a pillar of flames, the motorcycle arrived and Izuku wasted no time hopping on.
The police who had been called by Naomasa, made formation, their cars blocking the exit and their men aiming their weapons at Izuku.
Izuku simply rode towards them at astonishing speeds and made the motorcycle jump over the cars.
It wasn't long before the Hospital was far behind him, and his quest to rid his soul of demons lay ahead.
So in case, you didn't understand. The green fire represents Izuku's soul. Since he is technically in control, the fire is green.