Fengzhu, Dragon, Soaring and Buddha Jumping over the Wall

She is a top killer who fell into the mortal world with the memories of her past life. She is invisible in the body of a young girl. She has been pursuing the shadow of nostalgia in her past life, but she does not know that a misalignment of fate is taking place in time and space. After thousands of sails have passed, who is her beginning? Who is her favorite?