City of Sin - Book 9, Chapter 134

Tang Sect, the most famous martial arts sect of all. By stealing its most secret teachings to fulfill his dreams, Tang San committed an unforgivable crime. With his ambition attained, he hands his legacy to the sect and throws himself from the fearsome “Hell’s Peak.”

But he could have never imagined that this would reincarnate him in another world, one without magic, martial arts, and grudges. A land where only the mystical souls of battle lay.

The continent of Douluo.

How will Tang San survive in this unknown environment? With a new road to follow, a new legend begins…

- Description from Novelupdates

“How did a perfectly fine magic world invested by ghosts?”Aya looked at the ghosts in front of her silently and raised her hand to cast a spell.She came to the past and wanted to change the tragedy written in the history books. But how did these ghosts come with her too?Ah, will she cause early destruction of the world?Uh......“Teacher, if I tell you that I didn't mean it, would you stop being angry?” Aya trembled when she looked at the man in front of her.She didn't meant to offend him!“Oh?” Her teacher looks back and smiled faintly. Did she think she could escape after provoking him?“Ah, ah, ah....”Aya swore that she didn't mean to provoke her young teacher. But it seemed that it was inevitable?QAQ

Lucien, a guy who has nothing but the desire to save his mother. To get strong enough, he makes a contract with the demon of L.u.s.t. And now, only by making a great harem, will he gain the power to protect those dear to him.

In the post-apocalyptic age, men were damned.