Scheming and Perverted Top Su Mu vs Eccentric, Cold-arrogant, Split-personality, and Tsundere Bottom Ling Luoxuan.

The boy who cannot use magic was Leo. He can'gt use magic for 17 years because he got cursed by a witch when he was born. And now, he's 17, he has a bodyguard named Hinata who will protect Leo from any harm. Just to protect Leo, she must follow him everywhere.