Kill Me More Times, I'll Become Invincible - Chapter 370:

(Warning: This novel has an r18 tag and contains mature content.)Adyr, once a notorious serial killer, met a brutal end and welcomed death as the final judgment for his sins.But he awoke in a parallel Earth, where the rich alter their genes and superhumans are the norm.Believing some unknown force had given him a second chance, Adyr buried the monster within and chose a quiet, normal life.For eighteen years, he lived in poverty with his family, suppressing his urges and forcing himself to be human.Until the day he entered a new VRMMORPG.A game that doesn’t just alter virtual stats but mutates real genes and pushes players toward evolution.And with every evolution, his bloodlust surfaced again, turning him back into the villain he once was.

Warning contains-Incest/Ntr/ Heavy NetorareA Boy struggles with the problems of being raised in a family full of lewd older women.

An Individual from Earth finds themselves in the Shinobi World, equipped with a Scientific System. From that moment, he delved into scientific research far ahead of its time.

Waking up, Kim Hajin finds himself in a familiar world but an unfamiliar body.