IU, a new transferred student to Seoul High School didn't thought much what will happened to her when she was in this school. And she hates to be close with the school most famous guys especially the playboy. What happens when Yoseob, the most playboy guy in the school got dared by his friends (other BEAST members) to make IU love him and break her heart after that? Will he be able to finish his dare misson or end up falling in love with her?

"Like IU and I, the two people who shows up their harmony!!" — YoseobOne shot about IU and Yoseob also known as Marshmallow Couple, IUSEOB, SEOBU

You hated one particular guy in the school, who is Yoseob. You hated him because he bring chaos to the school. All girls in the school goes wild over him since you don't like people crowding together and those annoying screams. Yoseob then found out you hated him the most in this school and find that you are a interesting girl. (BA-BAM , what will happened next? o___o) Read to find out.

You were asked to marry someone. You agreed not caring the person is who anymore since you thought he won't be back. But who knows , you ended up marrying someone you missed and loved a lot.

Jiyeon and Yoseob have known each other since the day they were born. Jiyeon and Yoseob grow up together and did almost everything together. when they were in high school , they met another guy called Kikwang and the three of them became best friends. There is one thing that Kikwang knows but both Jiyeon and Yoseob doesn't , which is , both of them (Jiyeon and Yoseob) likes each other. Will the two of them be together ? Read to find out ...