A bored prince meets an assassin seeking revenge.

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.

"Barbie, Mommy's getting married!" A certain someone was so angry that he almost vomited blood. "Barbie, Mommy took me to stay at the Lu Shu house." Someone rushed to the door. In the end, it turned out that it was all because of the little ball, and the couple concluded that the boy was definitely a little devil!