Two popular student in the school, recieving a lot love from everyone? Being a couple? Oh! What a perfect life! But wait... what if one of them is just like another Kingka, handsome, extremely smart, cool, Mr. Vice president, and has a perfect voice... when another one just like a school troll, clumsy, carelss, not-so girlish appearance, never be serious, low grades, but always made people laugh with her action.

Well, lets meet Do Kyungsoo and Yoon Bomi, the two opposite side of the coin.

What will happen if they’re matched by the teacher for the final school project? What do people say if they’re knew that the two is actually a neighboor? And what will they do towards this scenario? Especially when the two is not-so childhood friend.... and never get along with each other?