Plot-oriented + with a knife + the protagonist is both good and evil + there is a female protagonist

PS!!! You need some IQ!

Timeline: Came to Teyvat with Yingkong, woke up with Kong in the Kanreya era, challenged Tianli alone, was defeated and died, was taken away by the Queen of Winter and his body was revived, but he lost most of his memories and became the 0th executive of the Fatui [The Dead].

(CP is completely dismantled, don't read if you don't like it) Brain? What is that? Traveling through the world of Detective Conan, I don't like reasoning, I love beauty! Appearance is justice! Cao Yifei: So beautiful! She must not be the murderer! Main character: Detective Conan. Special guests: Aniya, Yoel. Supporting roles: Cat's Eye Sisters...