Jessica is a new girl in Seoul High School.One day,she meet a boy name Donghae.She realized that she love him so she confessed to him,since Jessica is a brave girl.But Donghae rejected her like he rejected the other girls who had confess to him. But what will happened if Jessica asked Donghae to be her boyfriend just for 31 days.and if Donghae still don't love her after the 31 days,she will give up on Donghae.

A girl named Jessica meet a boy named Donghae in the train on the way to her school.They always at the same train but they going to the different school.What will happen if Jessica fall in love with him and she decided to confess to him although they didn't know each other??

I always late to confess my love to the one i love .. Can i change before i regret it all ?