The Runic Alchemist - Chapter 500: Tenebris

Jotaro awakened his Stand at 17 years old, but unexpectedly bound to a bastard system. Under the system's effect, he was forced to go to other worlds. In order to return to his own world, Jotaro had no choice but to complete the tasks issued by the system.Demon Slayer world: “Yare yare, Muzan, there's only one reason you failed, and that is, you pissed me off!”One Piece world: “You bunch of guys, I’ll be the one to judge you!” While violently beating up the Celestial Dragons, Jotaro completed a research paper on sea king-type creatures.Naruto world: “The one judging you is my Stand, Star Platinum!” Star Platinum, the true god of ninjutsu, ultimate hand sign speed. You call yourself the Copy Ninja?Originally, Jotaro only wanted to find a traditional Japanese woman to marry and have children, but he seemed to have underestimated the Joestar bloodline's attraction to women. Unknowingly, the women surrounding him grew more and more, and all willingly.The chatter of lovely women behind him made him extremely annoyed.He suddenly turned around and shouted, “Yakamashi! So annoying! You stinky hags!”[1st World: Demon Slayer2nd World: Tokyo Ghoul3rd World: One Piece4th World: Naruto]

A dancer who was killed by a serial murderer found himself occupying the body and taking on the life of Brian Morse, a patient with anti-social personality disorder. As Brian, he has the look, he has the brain, he has the charisma, but he also has something that somehow always attracts psychopaths…[The story mentions 3 reality shows and crossovers with the American drama series Dexter. SLASH]

- Description from Novelupdates

If mercy and kindness can't save the world, then this time, I choose violence. I was reborn in death, like sin under the blazing sun.——Ethan ColeHuff... What’s going on?There’s a flight attendant with a D-cup sleeping next to me!?Did I really get reborn!?Back to fifteen days before the zombie apocalypse game starts!?[Ding! Congratulations, lucky one! You’ve been granted a one-time chance to be reborn, along with a spatial storage ring!][Ding! Please choose: Join the humans or the zombies?]A cheat ability, and a storage ring!?If I choose to be human, I can stockpile supplies, hang out with different women in a safehouse... Isn’t this the perfect start for a post-apocalyptic hero?“So this time, I choose... zombies!”God: “Idiot!!! If I’d known, I would’ve given this rebirth chance to someone else!”