A/n: This will probably my biggest story I've thought of so far, and possibly one of the most dark and fucked up stories I've written so far.
Y/n was a pawn to Rias Gremory. After being betrayed by her, and the past that he experienced, he vowed for...
In the middle of a dark alleyway in a past Yoshiwara, Tokyo, a portal opens, and Y/n Ankokuboshi comes flying out of it, landing right into the ground.
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Y/n: What the hell...? What did that weird portal do to me?!
Y/n then walks out and sees where he is.
Y/n: This place... Did I go back in time...?
As Y/n thinks this, a girl gets behind him, ready to kill him.
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Girl: DIE!
Y/n doesn't even turn around and cuts her arms off, followed by blowing her head to tiny pieces.
Y/n: *scoffs* Worthless.
However, before Y/n can leave, footsteps can be heard, and it's shown to be Muzan Kibutsuji.
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Y/n: Oh. I guess for your odd complexion, mortal, you'll be my next kill.
However, before Y/n can grab him, Muzan enlarges his arm, and punches Y/n into a building, causing the people around to panic.
Muzan: I am no mortal, unlike you.
Y/n comes out, and uses his copied Sacred Gear to heal himself.
Y/n: Then let's find out who the true mortal is.
Y/n then brings out his blades, and Muzan gets ready to fight.
HERE WE GOOO!!
Y/n then rushes Muzan, who tries to hit Y/n, but he quickly dodges Muzan's attacks. Y/n quickly cuts Muzan on the check, and Muzan turns to punch Y/n.
Y/n: How feeble.
Y/n then disappears shocking Muzan. He then notices a shadow above him, and he looks up to see Y/n in the air with a giant ball of magic power.
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Y/n: Shi-ne!
Y/n then throws it at Muzan, who dodges it, and goes to attack Y/n. He manages to get a few hits, but he only damages his aura.
Muzan: I am the King of Demons. I will show you perfection.
Y/n: *giggles* Oh please...
As Muzan goes for his attack, Y/n starts skipping time. As Muzan in the skipped time throws his punches, Y/n backs up and gets out of his way.
Y/n: It's doesn't matter what you are when you fight me. In the end... You're nothing but a moron.
Y/n then summons Gehaburn, tosses a bit of blood onto Muzan's eyes, and gets ready to finish the job.
Y/n: Now... Let the sands of time resume.
As time resumes, Muzan finishes his attack, and is shocked to see blood in his eyes, when Y/n cuts his head off instantly.
Y/n: However... Powers like yours could benefit me.
Y/n then places his hand on Muzan's corpse, and start taking his power.
DBX!
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Boomstick: Well... That was fast. So does that mean he's the new king of demons now? Do I call him the Delusional Demon King now?
The Winner is...
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