The Seven Sisters and Their Hidden King - Chapter 20: Fake Painting

Everything Wang Hu ever wanted before he died was to build a family.

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

Lin Qian and Zheng PingQing, two people who have wanted to kill each other for many years, fell in love. After a lot of ups and downs, they finally married.