Baek Sunhee and Kim Aiko are best friend… both of them have been together since they were little kids. They went to the same kindergarten, primary school, middle school and now they are on the same high school. They are both on their 2^nd year of high school. They have different personalities, Sunhee the quiet and shy one while Aiko the cheerful and friendly person. Even though they are different but they really care about each other and take care of each other like sisters

BUT….

What happened when they fall in love for the same guy secretly? What happened when they know they like the same guy? Will they fight and try to win the guy’s heart? Will their long friendship collapsed?