Park Ilwoo and Park Jinwoo just started their high school less than two months but their father, Byun Baekhyun, had visited their headmaster's office regularly at least once every two weeks!

At school, the boys were famous for three reasons: one, handsome faces and over the average height; two, undeniable love for their families (be careful when you said something bad about their parents and sister!); three, their love for troubles!