Name: Hyo Yul Age: 17 Gender: Female Height/Weight: 168.7cm, 47.6kg Appearance: Pretty! Traits: Member of the dance club. Lacks tact. Relationships: Used to be best friends with Lee Gi-jeok. Currently in the 'Purple Girls' group. Used to date Kim Pyeong-beom but she broke up with him.

Name: Shim So-hae Age: 17 Gender: Female Height/Weight: 170cm, 48.7kg Appearance: Half pretty, half cute. Traits: Very timid...!! Relationships: Used to be best friends with Baek Jang-mi. Currently in the 'Purple Girls' group. Later develops a crush on Gong Cha-du!

Name: Lee Gi-jeok Age: 17 Gender: Female Height/Weight: 168.8cm, 46.2kg Appearance: Pretty, though not as much as Guest. Traits: Was part of the group but kept hanging out only with boys and acting flirtatious. Relationships: Used to be best friends with Hyo Yul. Eventually leaves the group. Dates the boy Guest said she liked.

Name: Han Ye-ppeum Age: 17 Gender: Female Height/Weight: 167.8cm, 46kg Appearance: Super cute. Traits: Very adorable. Has a unique sneezing sound. Relationships: Used to be best friends with Guest. Gradually drifts away from the group later on.

Name: Baek Jang-mi Age: 17 Gender: Female Height/Weight: 166.8cm, 46kg Appearance: Just incredibly pretty... Traits: Ranked 1st in the whole school. Obsessed with studying. Relationships: Used to be best friends with Shim So-hae. The first one to leave the group.

Name: Bu Ja-rang Age: 17 Gender: Male Height/Weight: 179.8cm, 66kg Appearance: On the handsome side. Traits: Looks like he's from a rich family. Teases Han Ye-ppeum a lot.

Name: Gong Cha-du Age: 17 Gender: Male Height/Weight: 179cm, 67kg Appearance: Handsome. Traits: Later develops a mutual interest with Shim So-hae.

Name: Un Tae-ni Age: 17 Gender: Male Height/Weight: 180cm, 67.4kg Appearance: Probably the most handsome among the boys. Traits: Teases Guest a lot. Seems to be best friends with Kang Han-jam. Relationships: Eventually dates Guest.

Name: Cheon Jae-ya Age: 17 Gender: Male Height/Weight: 179cm, 65kg Appearance: On the handsome side. Traits: A total genius.

Name: Kang Han-jam Age: 17 Gender: Male Height/Weight: 178.8cm, 65.3kg Appearance: Handsome? Haha. Traits: Can be unfunny sometimes, but mostly he's really hilarious. Tells a ton of jokes.