Kai, a new neighbour easily makes Krystal as a new friend. They go the same school and ... They were placed in the same class ! At the school, Krystal does not have any friend because nobody wants to be friend with her. The girls in the school are jealous of Krystals beauty.Suho, Krystals classmate. He likes Krystal in silence.When he knows Kai is close with Krystal, he tries to get rid of Kai. Kai becomes... His enemy ! Can Suho gets Krystal heart ? Or Kai will get it first ?