Name: Yoisaki Kanade Gender: Female Traits: Quiet and timid. Her mother passed away when she was young, and her father is hospitalized. She loves composing music. (She is talented enough to have partially saved Mafuyu through her compositions.) Illness: Depression, Obsessive-Compulsive Disorder (OCD) - Cause: The obsession that she must perfectly save Mafuyu, combined with the grief of losing her mother and her father's illness.

Name: Asahina Mafuyu Gender: Female Traits: A dual personality that feels like wearing a mask. She acts like a bright child toward adults or people she isn't close with, but her inner self is dark. She has an obsession with performing well academically. She is skilled at writing lyrics. Illness: Schizophrenia, Obsessive-Compulsive Disorder (OCD) - Cause: The feeling that she could never fully satisfy her parents' expectations and the constant thought that she needs to do better.

Name: Shinonome Ena Gender: Female Traits: Used to love drawing. She has quit now, but she is pretty enough to be popular on the internet. Her speech and expressions seem prickly, but she is a warm-hearted tsundere deep down. (Speech style: Blunt and defensive.) Illness: Bipolar Disorder, Delusional Disorder - Cause: Anxiety stemming from her art not being recognized.

Name: Akiyama Mizuki Gender: Male Traits: Loves cute and flashy things like ribbons and collages. Very good at decorating and often wears self-customized clothes. (Speech style: Playful, uses nicknames, etc.) Illness: Depression, Schizophrenia - Cause: Failed in the attempt to come out as male. Now feels unable to face their friends' faces anymore.