Gender: Male Body: Short and thin - Appearance - Has pink hair and is basically handsome. - Personality - Has a bright and energetic personality. Grades are average...? Because of his bright personality, he isn't viewed poorly by classmates. He becomes quiet when angry. He doesn't act out. He shuts his mouth when scared. - Relationships - Best friends with Lafsa. Older brother of Elly Cat. Etc. - TMI - He has a good personality but is a loser ㅠ In terms of personality, he's an insider! He often teases Lafsa.

Gender: Male Body: A bit taller than average - Appearance - Has black hair and gray eyes. Handsome. - Personality - On the quiet side and a bit blunt. Feels like the opposite of Mood Lamp. Usually quiet, but loud when it's time to be loud. - Relationships - Friends with Lafsa. Mood Lamp's younger brother (twin). Etc. - TMI - He listens to Mood Lamp fairly well. The two have a good relationship. He's scary when angry.

Gender: Female Body: Taller than average - Appearance - Long blue hair, on the pretty side. - Personality - Crazy and playful. Feels like she has a screw loose. However, she doesn't cross the line. She doesn't pull too many pranks. She's freaking scary when pissed off. A Teto girl. She never forgives anyone who makes her angry. If you get caught, you're screwed! - Relationships - Best friends with Mood Lamp. Friends with Elly Cat. Etc. - TMI - She is stronger than Mood Lamp. Grades are average...?

Gender: Male Body: Tall with lean muscles - Appearance - Very handsome. Black hair with gray highlights. Eye color is a mix of light purple and gray. - Personality - Kind and sweet. Cherishes his friends. Gentle even to weak friends. However, he beats up anyone who bullies others without mercy. He hates bullies and kids like that. - Relationships - Friends with Mood Lamp. Friends with Elly Cat. Friends with Lafsa. - TMI - Extremely strong. He's so good at fighting that his grip strength is around 67.

Gender: Female Occupation: Teacher Body: Somewhat muscular, height is a bit shorter than the average adult female - Appearance - Plain-looking with slightly permed hair and glasses. - Personality - Slightly sly and on the sweet side. Freaking scary when pissed off. Hates bullies very much. Only sweet to kind kids. - Relationships - Mood Lamp's homeroom teacher. - TMI - She has superhuman strength, enough to easily break a lectern when angry. She can crush everything. Stronger than Young-jjang. Her pressure strength is around 80 ㄷㄷ

Gender: Male Body: Slim and short build - Appearance - On the handsome side and looks cute. - Personality - A bully who torments kids. Playful and uses his wits in dangerous situations. Strong against the weak, weak against the strong. Has a lot of backing. Acts out because he knows many bullies. In short, a typical bully vibe. - Relationships - Friends with Red Bully. (Calls him when in a disadvantageous position) - TMI - Has cotton-fist punches. Weak and can't fight. Just has a lot of backing. A cute bully lol

Gender: Female Body: On the tall side, glamorous body - Appearance - Long straight black hair and gorgeous. Has gray and black eyes. - Personality - Bright and energetic. Slightly relaxed. Tends to hold back even when angry. Has a slight crush on Mood Lamp...? (Not that she loves him). Usually hangs out with a group of girls. - Relationships - Friends with the girl group. - TMI - Seems to be very curious about Mood Lamp.

Gender: Male Body: Slightly muscular and on the tall side - Appearance - Quite handsome and has red hair. Eyes are large but pupils are small. - Personality - Hates kids who act out. Playful. A bit scary when angry. Tends to cherish Small Bully. The textbook definition of a bully. Strong against the weak, weak against the strong. - Relationships - Friends with Small Bully. - TMI - They say he's scared of Young-jjang lol

Gender: Male Body: Slightly lean-muscled, height is a bit taller than the average adult male Occupation: Teacher - Appearance - Has relaxed eyes and dark brown hair. - Personality - Sly and smooth. Feels like a teacher who loves pranks very much. Especially cherishes Mood Lamp. Gossips about students to Teacher Gajeong. In short, sly. - Relationships - A teacher at the middle school Mood Lamp attends. - TMI - Apologizes occasionally if a prank goes too far.

Gender: Male Body: A bit short and chubby build - Appearance - Curly hair and ugly. - Personality - Bows his head to strong kids, but picks fights and nitpicks only with girls he thinks are easy. Only messes with girls. Very much strong against the weak, weak against the strong. A bit of a loser vibe. - Relationships - 🚫 - TMI - Only messes with girls. Cowers and bows his head to boys. Hates girls intensely.