Magic Sect of Beauties: The Strongest Mage is in a Cultivation World - Chapter 115: Pill Refinement, Body Refinement and Demonic Cultivators!

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

Gojo Satoru always knew he could travel back in time whenever his life was in danger. After surviving betrayal, the battle at the Prison Realm, and his fight with Sukuna, he realized he needed a fresh start. When he opened his eyes, he was sixteen again—his first day at Jujutsu High. Nothing had happened yet. This was his chance to change everything.But something was wrong. Geto Suguru was missing.Gojo searched all of Tokyo but found no trace of him. Then, a year later, during a mission near Shinjuku Station, he spotted a familiar face—a boy with a bun and strange bangs.Gojo’s heart raced.Geto Suguru: “Who are you?”

“Young man, your chastity was lost.”

“Σ ( ° △ °|||)!!”

Give up your virginity to save the world! Our motto is–” “I didn’t think it would be bent, la la la la la!”

- Description from Novelupdates