Kim Heechul

- The oldest among the four.

- The one who look like girl and a little bit girlish.

-Hate Tiffany so much(will be his girlfriend)

Kim Donghae

-The second one.

-Who likes to dance and sing.

-Like Jessica and always annoyed by her.

Kim Ryeowook

-The third one.

-Who is very clever and intelligent.

-Who is loved by all girls especially Sunny.

Kim Kibum

-The youngest one.

-Who school's king.

-Who never cares to other people but to him and his family.

Jung Tiffany

-The oldest among the girls.

-Stay like boy and have a short hair.

-Hate Heechul so much because he does like a girl.

Jung Jessica

-The second one.

-Who has a pleasant voice.

-Donghae's partner and dislike him so much.

Jung Sunny

-The third one.

-Who is very naughty and don't like to study.

-Like Kim Ryeowook so much.

Jung YoonA

-The youngest one.

-Who is the school queen.

- Cares noone but to her family.