The Four School Sweethearts of the Naughty Princess

She is a girl with countless identities, and also has the highest IQ in the world. He was cold, the young master of the world's second-ranked group, and the world's second-ranked killer. He only smiled at her. He is lively and cute, the world's third-ranked master of a group, and the world's third-ranked killer, just for her. He is gentle, he is the young master of the world's fourth-ranked group, and he is also the world's fourth-ranked killer. He is only the gentlest to her. He is the world's fifth-ranked syndicate young master and the world's fifth-ranked killer. He only targets her. He is a sinister man, a syndicate master ranked sixth in the world, and a killer ranked sixth in the world, as long as she is happy. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.