Vampir Lord: Erotic RPG - Chapter 24 Dance Of The Valkyrie

What would you do if you were reborn in the world of Battle Through the Heavens without a distinguished background or an elder in your ring and just a decent talent?Luckily, Xiao Ming has awakened the Life Simulator System![The Life Simulator is on]......[You have experienced an ordinary life.][Elements are being chosen.][Currently available: Green Lotus Core Flame, Flame Mantra, Woeful Poison Body.][Please choose one.]Every seven days, he can choose to extract one of the elements from his life simulation.In this way, Xiao Ming began his ordinary life.

Their sins got the whip of god's worst.On that fateful day, god left the world in ruins.However, in his supposed mercy, he left them with a means to survive.To protect themselves against the fiendish demons and monsters that came upon them.This gift, they called: Talents!In this god-abandoned world, Kieran Marcoth, on the day he was to receive his talent—a gift from Orion, the left god—he awakened a 'hidden' SSS-ranked talent.A talent that could only be activated once the condition was met.Instantly, Kieran turned into a subject of mockery, spite, and insults, and somehow, just somehow… he found himself riddled with injuries and on the brink of death.However, it seemed Orion was yet to forget his son.[Ding! Conditions have been met][Host has been successfully selected as a God candidate][Defeat the other candidates! Become the next God of this ruined world]Seeing the notification, Kieran couldn’t care less.Only one thought was registered in his mind:‘I’m going to fucking kill those bastards!’His journey began… Will the once-kind helper become a tyrant god?

One day, Luo Jian woke up from his sleep and found himself in a locked chamber where the door and window were all sealed. A note with a few lines written on it was tacked to the wall: “Escape from this room within an hour, otherwise, you will die.”

There is a sequel called Reincarnation Night (轮回之夜) that takes place in the same universe but has different main characters

- Description from Novelupdates

A girl who calls herself a demon appeared before a timid student named Fumio Kijima. The girl claims to be a campaign girl from the demon world and she gives him the ability to “summon a room” from nothing but thin air.

At first he doesn’t abuse his power and uses it as a convenient ability in his every day life. But one day he is bullied by his classmates under a false pretext and is made to suffer. In the past he would have wallowed in misery and cried himself to sleep, but now he had a power to call upon.

“I will make them regret it!”

Using his powers to summon his “room”, he begins his era of confinement and brainwashing to achieve his goals.