MTL - Everlasting Immortal Firmament - ~ Career Fair of Ancient Tai Chi

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

The strongest female assassin from a special assassination force met her death one day on a mission. To her surprise, she woke up in the body of a 13 year old girl, Mu Rong Liu Yue. Through Liu Yue’s past memories, she found out that she was bullied due to the huge birthmark on her face, even though she came from a renowned family. Liu Yue was beaten to death by her own cousin, and that’s how she managed to enter Liu Yue’s battered body. The assassin then decided to live her life as Liu Yue and swore to avenge her death.

Ethan was just an ordinary guy until he woke up in the world of his favorite novel, Gods’ Final Requiem.But this isn’t a story where the hero wins. It’s a tragedy where the protagonist falls, the world crumbles, and the Demi-Gods and Outer Gods consume everything.And now, Ethan is here weak, talentless, and completely insignificant. A nobody in a doomed world.Yet, when an Empire Academy Admission Letter lands in his hands bearing his name he realizes something is wrong.More than that, his status window hides two sealed abilities, something that never existed in the original story.This wasn’t supposed to happen.If the world is truly destined to fall… then maybe, just maybe, he can change it.But first, he has to survive