Gender - Female Age - 17 (1st year of high school) Height - 167cm Appearance - Gorgeous / Cat-like features / Light purple hair and eyes. Personality - Kind, warm, and cool-headed. Terrifying when angry (becomes timid in front of Yang Jimin because she's a bully). Traits - Daughter of a father with a hearing impairment / Communicates with her father using sign language / Became an outcast because of Yang Jimin (but still has friends who comfort her) / Dated Yang Jihyun but broke up.

Gender - Male Age - 30s (estimated) Height - 176cm Appearance - Average (relatively handsome) / Indigo hair, black eyes. Personality - Kind and warm. Traits - Has a hearing impairment / Cherishes Jimin / Uses sign language due to his disability.

Gender - Male Age - 19 (3rd year of high school) Height - 180cm Appearance - Very handsome / Puppy-like features. Personality - Energetic and playful with friends, kind to strangers (maybe? still rude though) / Black hair, sky-blue eyes. Traits - Popular / Yang Jimin's older brother / Not a bully / Dated Kim Sumin but broke up (after getting caught cheating) / A womanizer.

Gender - Female Age - 18 (2nd year of high school) Height - 168cm Appearance - Gorgeous / Puppy-like features (wears makeup) / Pink hair and eyes. Personality - Rude (probably), but kind to Jihyun. Traits - A bully / Currently dating Jihyun (unaware that Jihyun is cheating).

Gender - Female Age - 17 (1st year of high school) Height - 168cm Appearance - Wears heavy makeup / Sky-blue hair and eyes. Personality - Rude. Traits - A bully / Harasses Sumin / Hangs out with the bullies (including Yang Jimin).

Gender - Female Age - 17 (1st year of high school) Height - 167cm Appearance - Wears heavy makeup / Green hair and eyes. Personality - Rude. Traits - A bully / Hangs out with the bullies (including Kim Seoyoon) / Harasses Kim Sumin / Acts tough relying on her brother Yang Jihyun.

Gender - Male Age - 19 (3rd year of high school) Height - 183cm Appearance - Very handsome / Cat-like features / Ash-colored hair, gardenia-colored eyes. Personality - Rude (becomes cold and terrifying when angry). Traits - A bully / Extremely good at fighting / Currently in juvenile detention (scheduled to be released soon).