Krystal and her gangs just live in peace. Until, one day a new guy transfered to their school. That guy name is Hong Bin. He is one of the vixx members. He is so annoying he is f(x) new rival . He always make Krystal felt annoying and irritated when he is around her. Krystal hate him so much. Then, One day Krystal's Mom dead in a accident and Jessica chased her away from their house. What will happen if Krystal stay at Hong Bin House?