Building Harem And Dungeon With Monster Girls - Chapter 6. Claim your destiny-R18

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

Thirty-three classmates hold a reunion after graduating. Tensions soar and old friendships are tested, as a strange turn of events lead them to follow the path of the ancient gods.

Ms Shen goes about her usual days while Mr Bo flirts with her relentlessly.

I was summoned by a Goddess with my classmates to save their Empire?But I have other plans.With my Unique Skill, I will get whatever I want starting by that Goddess!