My Dual-Cultivation System - Chapter 1 I Want YOU

After a well-lived life on Earth, Kael never expected anything more than death and the sweet embrace of sleep and darkness.But fate had other plans. He was reborn in another world similar to Earth, where he grew up until he was ten, at which point his memories from his past life were reawakened.He was an old man trapped in a boy's body, but the mixture of the child's memories with his own made him feel more middle-aged than old.A few days later, the world he was in ascended into the realm of war, the battleground of all living beings. Kael was among the few awakened who had the chance to become the ultimate god of existence, based on the orbs of different paths presented before him.Kael was faced with three choices:Orb of ChaosOrb of NothingnessOrb of Void(Choosing any will make you undergo a trial that will change your very existence. Please choose wisely.)While in shock by these options and seriously pondering which one to choose, an unexpected event occurred.(Error detected... A new option has been created)(Be the wielder of the three — Chaos, Void, and Nothingness)(Answer picked by host, transporting...)Kael was in shock as he fell into darkness, with one swirling thought in his mind:“I didn't even pick any.”

He was the youngest guru of martial arts as well as the perfect Mr. McDreamy of the most girls. He had mysterious absolute touch, clear-sighted observation ability and various outstanding talents.

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

Reincarnated into an eroge brimming with cunning and seductive women, Shia quickly learns this world is no paradise. His childhood friend? A manipulative beauty with a penchant for control. The maid? A silver-haired, venomous tsundere. Even the elegant motherly figures hide sharp fangs behind their kind smiles.Fortunately, Shia knows this world’s secret: a unique system that only he can use. From making alliances with snake-like in-laws to hosting wild parties in the elf kingdom, Shia takes charge as the self-proclaimed administrator of chaos. But taming bad women isn’t easy, and Shia’s life quickly turns into a whirlwind of power plays, unexpected friendships, and wild nights.