Your name is Angela and you live in Daegu with your 3 sisters Maya, Dria, and Amber. The summer just ended and yall are ready to go back to school. Yall got a new student coming known as Junhyuk (not famous at the time) and yall become best friends. You find out his talents are singing and dancing. You soon meet his new friends Sung-woon and Timoteo and yall become friends too. You have always been able to tell who would go with who so you know you just found your sisters' future boyfriends.