Reborn Female Agent with Special Powers

She is cold-blooded, ruthless, both civil and military, has killed countless people in her life, and is a top agent at the top of the headquarters. She was carefree and never feared life or death, but she disappeared from the world in an experimental explosion. High school student Mo Yihan came from a mediocre family and was weak and timid. At the end of his life, he died at the hands of his classmates and drowned? Everything started when she woke up in Mo Yihan's body and resurrected from the dead for unknown reasons? ! He is the only son of an aristocratic family, and his strength is still kept secret... [The female protagonist Mo Yihan or the male protagonist Bai Qi] [Abuse scum, slap in the face, revenge, strong women and strong men, physical and mental health]