Hara and Yeonhee are new students of Seoul University. Both of them will be seniors already. It was the decision of their parents to transfer them to another school. Despite this, they're still glad because they are in the same school and luckily they're in the same class. They've been best friends since freshman and known each other's personality like siblings. What things are waiting for them in their new school?

It was all just a bad dream.....