A gorgeous girl who wears a white mask and acts as the group's cheerful central pillar.

A handsome guy and core member known for his unique personality and reactions.

A gorgeous girl who hangs out with the group; might have a love line with Park Hee-jae.

A handsome guy who might have a love line with Lee Seo-ah.

A gorgeous girl who is the undisputed number one among the girls in PE.

A gorgeous girl who is great at sports; might have a love line with Do-yoon.

A funny, handsome guy who might have a love line with Seo-hyun.

The teacher whose students film him frequently for his videos.

A handsome guy with a very natural and charming laugh.

A girl full of mischief who laughs easily; quite pretty at times.