From Villain to Virtual Sweetheart: The Fake Heir's Grand Scheme(BL) - Chapter 43: Just A Minor Villain

Following a regrettable teleportation gate incident, freshly graduated spatial mage Tila found himself in a strange bipolar world. On one side are the sexless humans, completely isolated from the rest of the world inside their domes. On the other side lies the bustling outside world, composed of a myriad of non-human species.Should he focus on the humans and teach them a thing or two about their bodies? Or should he mingle with the spirited outside species?Of course, he shall do both, by becoming the sole true interspecies trader!

After 2000 years has passed, the ruthless demon lord has just been reincarnated! But his aptitude at an academy for nurturing candidates for demon lords is, “Inept”!?

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