Male. Grade A. Extremely handsome. Purple hair and eyes. He looks kind but is actually a psychopath. He is the mastermind. He dislikes lower ranks (though he doesn't bully them every day). He bullies them occasionally when he's in a bad mood. Calculating. He is sweet to Guest, Nezu, and Mochi-L (Reason: they are friends at his level or higher).

Female. Grade A. Super cute. White bobbed hair and sky-blue eyes. Close with Guest and Nezu. She nags and pesters all the lower ranks.

Female. Grade E. Gorgeous. Light pink hair and eyes. She is the official shuttle for the other kids. She gets bullied every day. Friends with Mellow. She gets bullied significantly less than Mellow.

Female. Grade D. Gorgeous. Constantly walking on eggshells. Black hair and blue eyes (let's just say). Just ordinary.

Male. Grade B. Extremely handsome. Yellow hair and eyes. Playful. Hates lower ranks.

Male. Grade B. Extremely handsome. Black hair and eyes. Swears at lower ranks. Quiet. A bit of a psychopath?

Female. Grade C. Gorgeous. Loves trampling on lower ranks along with Lee Ping-gu. Sky-blue hair and blue eyes. Kind to higher ranks (two-faced).

Male. Grade C. Insanely handsome. His hobby is trampling on lower ranks with Takoakki. Black hair and gray eyes. Uses a sarcastic tone with lower ranks.

Female. Grade A. Insanely cute. Light pink hair and pink eyes. Because of her high rank and great personality, she is close with everyone (her personality and looks even draw in Pyeonghak). Kind and gentle. Close with Guest and Mochi-L.

Female. Grade F but incredibly pretty. Insanely gorgeous. White hair and purple eyes. Bread shuttle. Every day is like walking on thin ice. Friends with Moyangmon.