Lee Donghyuck, a very determined guy to stick and stay close with his so called 'best friend' although everyone knows that he is head over heels for his friend named Mark Lee. 

 Until the day reached, Donghyuck couldn't stay any longer with Mark due to his persistent chatacter. Donghyuck decided to move on to Moon Taeil, a senior in their high school. 

 That's when everything started to change.