Everything has an exceptional cases....

Nickhun is an extraordinary boy who's attracted to noona. He actually likes noona and doesn't interest to those who is younger than him. And he always receive noona's love, not even that, he's their frist love.......

Uee is a queenka of the school. She has received tons of love letters and propose by many boys. She never respond to anyone.... but when she meet the one who makes her heart beat faster..........

Sondambi is Nickhun's friend's sister. She is a playgirl who has many boyfriend without really liking them. But she found true love who's younger than her. She never expect she would love a dongseng.

Suzy is a care-free girl who is a big fan of 2pm. She goes to every 2pm concert and fan meeting. Her bias is 2pm Nickhun and always dreaming about staying with him.