After I Fully Prepared for the Apocalypse, the Ungrateful Cried with Regret - Chapter 37: It Was You Who Didn’t Open the Door

Humans across the world ended up joining a “Demon Kings and Heroes game”.

Several billion people were set down upon another world to act as “Demon Kings” and “Heroes”. Everyone has to chose their starting races from the start.

Zhang Nu was set in the Demon King camp.

He discovered that he could see hidden information that no one else could.
[Slime Demon King]. Low grade demon king bloodline… Not recommended!
[Kobold Demon King]. Low grade demon king bloodline… Not recommended!
[Dark Elf Demon King]. Mid grade demon king bloodline… Can be selected!
[Bloody Giant Demon King]. High grade demon king bloodline… Recommended!
[Abyssal Dragon Demon King]. Strongest starting bloodline… Extremely recommended!

The heiress to a powerful tech company, Diane Lily Hoffman, had a tough childhood filled with lies and mistreatment.At 14, her cruel stepmother tricked her into thinking her father had sold her to his enemies. From there, the family who adopted her abused her physically and emotionally.Using her as a ploy to get rich, her adopted family forced her into what she thought was a loveless marriage with a plastic surgeon named Gabriel.Despite what she perceived as a lack of love, she found solace in her married life until her path was chosen for her again and lies were made to drive a wedge between her and Gabriel.The divorce was painful and she realised all too late that everything was not what it seemed.Unfortunately, the lies her family crafted were too much for Gabriel to ever give her a chance again.Just as she was about to die, Diane was given a second chance to fix her mistakes.Now reborn, Diane is ready to find her real father and ex-husband, seeking revenge on the family that betrayed her and taking back the life and justice she deserves.

He was once the most feared villain in the empire, a master of manipulation who wove chaos from the shadows. Ruthless, untouchable—until the day he was betrayed and executed by the very man he sought to control.But death is not the end.He awakens in the body of Lady Elara Valcrest, a fragile noble girl doomed to be a pawn in political games. Stripped of her former power, she is forced into an arranged marriage with none other than Cairon Everhart—the man who once killed her. He does not recognize her, but she knows him. And she will never forget.To survive, Elara must play a new game. One where deception is her only weapon, and trust is a dangerous illusion. She must outmaneuver her enemies, uncover the truth behind her execution, and reclaim the power she lost. But as she navigates the treacherous world of court intrigue, one question lingers—Was Cairon truly her greatest enemy? Or had she been blind to an even greater threat?Time is running out. The villain has been given one last chance. And this time, she refuses to lose.

God plucked one of his creations from his first Earth and gave him a second chance in another one of his Earths...surprise it is in DxD! Now reincarnated as a perverted side character how will our poor protagonist handle his new identity? Well he probably wont make the choices you will want him to, that's for sure!