My Backyard is the Tang Dynasty - Chapter 319: Joys and rumors!

Six years ago, he disappeared silently! After six years, he becomes the unparalleled "God of War" and returns with glory, only to find that he has a daughter whom he never knew of. Looking at his wife and his daughter, he says, "In this lifetime, I'll bring you the greatest honor and glory!”

Xia Yan passed through to the world of Bleach and became an eleven-year-old boy. He was rescued by Renji and Rukia in the Seireitei, and he was studying at Shin’ō Academy, and he was a student of the same class.
He is a top student of the Shin’ō Academy, and he is vying for strength by various teams. In the end, he has entered the first team of secret mobile maneuvers.
He will use punishment to kill every person who tries to threaten the martyrdom and protect his loved one.

- Description from Novelupdates

[SYSTEM NOTIFICATION]~Paradise Will Now Be Initialized~{The realm of the gods, Paradise, will be revealed to the chosen humans. Overcome the 99 Floors and reach the Final Realm.}For ten years, Mikey has been haunted by nightmares, until one day he stops having them... and they start appearing in real life.Demonic Monsters, Status Windows, and Skills... all of them are now in reality.What's worse? Anytime he dies, he is transported to the past and forced to repeat every scenario in this new world until he conquers and survives everything.What exactly is this new world, and how will the Dreamer survive?