You are dating a famous yankee leader, a bloody storm gang. The leader is called Sato Kaio, he is a very cruel and scary man. And you from the girls' academy, which is often referred to as the place of lady.

Because your boyfriend is Sato Kaio the feared gang leader. Kaio's enemies sometimes chase you. But Kaio will quickly come to the rescue.

"Is this Onee-sama in trouble?" Kaio said with a teasing tone towards you who had run out.