The Hidden Dungeon Only I Can Enter - Chapter 17

After breaking up with his girlfriend, he accidentally acquired a genius system and rose from there against the heavens, becoming invincible..

- Description from Novelupdates

Transmigrated-into-another-world-three-good-citizen Gu Xizhou, in order to survive, became a demonic cultivator. No matter how bad or evil, he adapted.

But then…but then he transmigrated back.

The returned Gu Xizhou was very angry. The student that offered his body in order to resurrect him had used a formation that was purposed for summoning evil spirits. He, Gu Xizhou, prior to transmigration was a law-abiding citizen that upheld core socialist values, a three good citizen representative. So how come after transmigrating and coming back, he had become a heinous malicious spirit?!

In each and every one of the spirit worlds, the ghosts and spirits originally lived a Heaven is first and I am second kind of happy lifestyle, that is until in the unlimited spirit mission worlds, inexplicably and out of nowhere came a demonic cultivator.

The ghost and spirits: QAQ

- Description from Novelupdates

[CRIME/OMEGAVERSE]Was it possible for the devil to get his own happy ending?A major accident seven years ago had stolen He Juan’s memory away from him, wiping it so clean that the only things he were left with were only his name, numerous scars all over his body and a nasty side effect as a result of the aftermath.Seven years passed by and when He Juan thought he could live like a normal person again, a fateful day led him to be the prime suspect of the murder case of his neighbor who had written his name as her dying message — whom, in his defense, he had not even talked to!It was then that he met Mu Yuze, the lone wolf of the Violent Crime Investigation Unit; the cold, intimidating man with beautiful and intense midnight blue eyes who seemed to hate him at first sight for some reason He Juan couldn’t comprehend.One after another, bizarre cases intruded on He Juan's normal life and turned it upside down, bringing light to a dusty past he thought he could never remember again. In the end, he had to learn that even if he had forgotten who he once was… there were still some sins he had to atone.***Gentle, klutzy and smiling Alpha whom nobody dares to offend for some mysterious reason x cold, possessive and cinnamon roll Omega (maybe a little yandere here and there)Additional tags: top/gong/seme protagonist, action, case-solving, organized crime, thriller, gore, slice of life, tragedy, detectives, disabled characters, murders, teamwork, investigation, yaoi, mature, past plays a big part, 1 vs 1, love interest falls in love first