Kai and Sora were gangsters. They’re studying in the same school. They bully people every single day. But Sora has a soft heart, she will feel pity whenever she sees animals and human abuse. Unlike Kai, who has a wicked heart, who bullies every single boys in the school without considering how they felt. One day, both of the gangsters were forced to get married. Their objection was not approved by their parents since their parents were best friends since they were young. Both of them planned to divorce. But they ended up, falling in love with each other.