Superstar From Age 0 - Chapter 374:

Traversing into a Fantasy World, Watson became the youngest son of a run-down baron, ranked eight in the family.

He put one hand on the door beside her head before leaning forward. What was he doing? Trying to intimidate her again?

A martial art expert from the Song dynasty lives like a Phoenix that can live again in another body after death. This time, he happened to take over the body of a Japanese high schooler who is also a victim of bullying and has a bit complicated family circumstances.

- Description from Novelupdates

A 30-year-old NEET is reincarnated into the body of an otaku that choked to death on instant noodles. As he comes to grips with his new life, he realizes that this world is subtly different from Earth. The denizens of this world are far better looking, and this new world also possesses futuristic technology as well as mysterious Yin Yang masters!