MTL - Heroes of the Invincible Undead - Chapter 1 wake

Seven years ago, after their breakup, he disappeared without a trace.

streak of being publicly humiliated in every story route. In other words, he was the designated cuck of the game Academy of Roses.Too bad for everyone, Cassius is now possessed by Arawn—a burned-out gamer who just tried to kill himself after exacting savage revenge on his sister’s cheating husband.Waking up in the body of the most pitiful character in eroge history? Not ideal. Finding out his missing sister has also been isekai’d and is now pretending to be Cassius’s noble “sister” to avoid suspicion? Wild. Realizing she’s about to be married off in another forced engagement plot? Yeah, fuck no.Armed with system powers(everyone has it), broken stats(for your average joe), and a big 'sister complex'(Not Incest) on steroids, Arawn has one simple plan: Live a peaceful life with his sister, for it he would, Break the rules. Shatter the narrative. And if anyone tries to play the protagonist? Use them for his own plans.This time, the cuck’s got teeth. And he bites back—in the most painful ways.—————Warning: The MC is a villainous character, he is psychotic, manipulating, borderline insane and unhinged. So, please keep that in mind

Gawain is dead and was transmigrated, but there was a slight problem during the process.
After floating for more than a hundred thousand years on a different continent, he felt that he might need a body to become a complete transmigrator, but he did not expect that…

- Description from Novelupdates

The world’s top ten conglomerates had joined forces to create a programme where the crew had quietly evacuated all the people from a city, leaving behind only Raymond and his family, who were kept in the dark. Their purpose was to see this child, who had emerged from the slums of America, get humiliated.