I Woke Up In The Morning And Became A Seeker, So I Dived Into A Dungeon ~Steadily Leveling Up Starting at the First Level~ - Chapter 201

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

In his last life, Xue Yan had been a powerful minister all his life. When he returned to seven years old, he didn’t want to be any more. In the same way, he has all the power in the world, but his family cannot end well.

Unexpectedly, his father suddenly picked up a baby girl, saying that he had raised him and would be his daughter-in-law.

The daughter-in-law is all good, but not good at all. She can’t be allowed to sneak out alone.

Otherwise, she will bring you back a great general this time, and next time she will bring you a different surnamed king, and even the queen mother of the dynasty will be rescued…

Not long after, I’ll bring you a little emperor again…

*

Jiang Yue, the supreme commander of Area A in the end of the world, actually dressed in ancient times and became a three-and-a-half-year-old girl.

No matter how she lived her life, it was just that her future husband didn’t know what was going on. Every time she kindly rescued a person, he would be disgraced.

(Sweet pet text, one-on-one, double clean)

- Description from novelbuddy

The MC entered the body of the An family eldest son, An Ziran, an arrogant 16 years old boy who weighed 78 kg (~171-172 lbs), who only knew how to eat, play and sleep. Seeing his current body, An Ziran decided his first priority was to LOSE WEIGHT!

Three days later after he became An Ziran, An Ziran’s father and his biological mother died, which meant as the eldest son he had to take over the family business.

Beside his legitimate first wife, An Ziran’s father also married 3 others women, who all wanted to take over the An family fortune but only the eldest son could be able to touch it, therefore they have to depend on An Ziran in order to live a comfortable live.

An Ziran’s father also had an older brother who is always planning to steal the An family fortune. The elder brother of An Ziran’s father and the woman he married had powerful connections. In order to save the An family fortune, An Ziran has to find a golden thigh to cling on. The butler told An Ziran that there is an engagement between the An family and an influential family. Therefore he takes his sister to that family house to make a connection.

However, during their journey, An Ziran’s younger sister overheard that the son of that family is UGLY, so as a beautiful and spoiled young lady coming from a rich household, she didn’t want to marry him and decided to run away. Without any other choice, An Ziran had to take his sister’s​ place and marry that man, who told him that he would let him go soon, but lied.

- Description from Novelupdates

16 years old-- most boys would be falling in love, as their hormones all rise to unprecedented levels. Most boys at Riley's age would have dreams; dreams that will slowly grow into passion. Riley, however, at age 16... killed the world's number 1 superhero.