Yoona - 18 years old.

A regular student who has good grades. Her population is higher than the other girls in school, she loves to writes stories and watch drama. She's also in love with Ricky from Teen Top.

Ricky - 16 years old.

Teen Top's eternal maknae. He likes to sing and mess around with his other members. He's friendly to everyone and loves to eat red bean ttok. Ricky has slight feelings for Yoona but she doesn't know.