Multiverse watches Innocent Serial Killer x Harem

This is about the people of the multiverse watching a story of an innocent-looking serial killer.
==Note==
*The true heroes feel bad for the killer and want to help him.
*The fake heroes are prejudice and don't care about the killings, just about tormenting the guy.
==Prologue: Meeting the Killer==
The people of the multiverse want to know about the killer.
(In Union City, a dark voice starts narrating.)
*Voice: (narrating) "Welcome to Union City, the true definition of corruption. (It then starts showing a powerless person trying to entertain people but then gets jumped and beaten up by prejudice punks while the other people refused to help out.) They say it might be full of good people but that's a lie. They care more about fame or fortune but not me."
(Then a hooded man sees this and saves the man by attacking the punks brutally as the victim watches on in surprise.)
Everyone was surprised that the killer saved someone, instead of killing him.
(When he was done, he picked up the wallet and possessions before giving it to the assault victim.)
*Victim: (grateful) "Thank you but who are you?"
*Killer: (emotionless) "I am the true justice."
(He then walks away and goes back to his hideout.)
"No, you're not." said an annoyed Issei.
"You're just a serial killer." said an also annoyed Rias.
(We then the killer's hideout, he takes off his mask, goggles, goat, and hoodie, which shows his true face as a frendly-looking young man instead of a middle-aged person.)
Everyone was shocked that the killer looks so young.
The girls blushed at his appearance.
(This is Y/N L/N, a former student of Union Academy who had suffered abuse, neglect, and bullying for being powerless and different. He thought they were true heroes but he now sees they are worst than the villains.)
Everyone was shocked by his backstory as a former student.
The fake heroes didn't like how he described them.
==Chapter 1: The Killer's Innocent Life and Defending Tim==
After what they saw, Tim and Barbara talk about it with Conner, Cassie, Gar, and Raven.
"He's your old friend?" asked a shocked Conner.
"Yes but he's usually harmless." said a nodding Barbara.
"I want to know what Union did to him." said an angry Tim.
"Don't worry, we'll investigate." said a serious Conner.
"And I hope we give him some protection." said a worried Barbara.
Category:DC Comics
Category:Marvel Comics
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Category:Crossovers