Green Mountain - Chapter 661 - 518: Fishing for Clues

There was a time when every living thing was decimated and the galaxy was forced to restart with a single thought from the evils.“Is the final boss my wife?” Xu Chang’an exclaimed as he looked at his wife who was making dinner and shook his head. “The system must have malfunctioned again.”Under the tree in his garden, Xu Chang’an wrapped his arm around his wife’s waist and said, “There is something I have to settle outside. I’ll be back soon.”“Okay. Stay safe.” After seeing the husband off, his wife raised her head to look at the leaves and said,“I think my husband is going to cheat on me soon. Should I… just restart this world?”

Zhao Feng works hard to prove himself better than peers in the Martial Arts Training Ground, but just when he's about to give up, a mysterious black, marble-like, object fuses with his left eye, granting him the powers of the ancient gods.With his newfound powers, Zhao Feng embarks on the journey toward becoming the greatest martial artist of all time.

An ordinary student, a wretched peeper, a cowardly teenager with a kind heart. In a terrorist attack, he inherited the knowledge of countless elites, embarked on a path of God Jagged Tu…

He is an artist!

He is a mathematician!

He is a psychology Doctor!

He is a master of fighting!

In fact, he is a man

Taken off raw site:

A wretched, dirty young man is working during the summer when he was caught up in a mysterious explosion. After that explosion, the young man is then left with the memories and knowledge of dozens of the world’s experts.

He has changed, his heart has become cold, iron-blooded. He became a killing machine, his mind turned mechanical, calculative. Everything goes according to his plans and calculations!

In this magical, slaughterous world, a door is opened for him…

- Description from Novelupdates

[Harem Heaven High School (HHHS)]As the name suggests, it is a dating simulator that gained popularity due to the beautiful heroines with huge breasts and, more importantly, the importance of the player's choices, which influence the endings.Zayden Valtrex, the son of a billionaire philanthropist, was a feared delinquent at Eiko Academy. Standing at 1.95 m tall, with blond hair, full of piercings and earrings, he even scared the teachers.He was none other than the great villain of HHHS, who stole the heroines from the protagonist Subaru Kisaragi.But one day, that very same villain suddenly shows up at school with a completely new appearance. He had removed all his piercings and earrings, changed his hairstyle to be slicked back, and wore a charismatic smile, no longer looking at others with that usual cold stare.Since then, more and more heroines began approaching him of their own will.What no one knows is that Zayden carries a secret memory: he is not only the villain of the game but also someone who once lived in another world... and knows every detail of HHHS. Moreover, he possesses a mysterious system: by spending money on a girl whose affection level is above 50, the return can multiply from 1 to 100 times — and it is not limited to money alone.