To Be a Power in the Shadows! - Chapter 148

Blayn transmigrates into the world of Akame ga Kill and obtains the Mangekyō Sharingan—Kamui! Not just one, but both Kamui!

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

I will go forward step by step, until one day I surpass you, Dad! !!

Zhao Gang, who has graduated from the World Hunter School, returns to the city. He inspires his own country and surpasses his father who is already at the top of the world.

- Description from Uukanshu