I Became the Billionaire's Target After Pulling Out From My Marriage - Chapter 124 - : First Place

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 certain girl aspiring to be an adventurer was invited to join the Hero’s Party by chance and became their apprentice. However, she was not actually treated as a real apprentice, and was subjected to physical violence and verbal ab*se every day.In the end, she was told that she had no talent and was about to be expelled from the party.However, the hero promised the girl that if she could stay in the Demon Forest for a week, her expulsion would be revoked. Unaware of the fact that she had been tricked, the girl was abandoned in the forest without even a weapon to defend herself.But the Hero’s Party had no idea that the girl had been observing every battle they had faced. Nobody knew of the girl’s talent.A talent, for which even the word “genius” would be too modest to describe, would allow her to reach the realm of excellence.The girl who was able to escape the forest soon registered herself as an adventurer, and in no time, she overtook the fierce fighters one after another.This was a tale of the rapid growth of a girl with the strongest physical prowess.A talented monster doesn’t need to be taught – someone once stated.

A young man with an extraordinary mind is off on an exciting adventure when he mysteriously wakes up in the body of a feeble slave-guy in a different, rich in quirks world.

The main character, a selfish jerk, would use extreme means to achieve his goals. However, he never allows his base instincts to overrule his sense of decency. He always pays back both good and bad deeds.

Will his (terrible/excellent) mentality help him make a fresh start? Will he get through misfortunes and hardships of the new world?

A man who was once called the world’s strongest agent ended up becoming a teacher after his retirement, to train a new generation of agents. After many years of training his disciples, he was killed at the age of 60 by a secret organization’s ruse and was reincarnated in another world with his memories intact. Though he was surprised by the existence of magic and the strange species in that world, he quickly adapted to his condition as a newborn and took advantage of it. He acquired special magic and gained a massive amount of strength thanks to his rigorous discipline, in order to reach his goal: Resume his career as a teacher which he left halfway through in his previous life. This is the story of a man, who, based on the memories and the experiences of his previous life, became a teacher who travels through the world with his students.