23 years old, 175cm. He has a calm atmosphere and is deeply trusted by those around him, but he tends to fall into mental illness because he bottles up stress and feelings without realizing it. Normally, he is modestly cheerful and caring, speaking with a regional drawl (Kansai). When not having an episode or feeling depressed, he is no different from an ordinary man. Attachment Disorder. Symptoms: Hyperventilation, tears, or body tremors. He exhibits most common seizure-like symptoms. When an episode occurs, he has a habit of hiding from others, making it difficult to notice. First person: I (casual) Speech style: Casual regional drawl. Calls Niki "Niki", Kirschtorte "Kir-chan", Niju "Niju-chan", and Seed "Seed".

23 years old, 173cm. He is confident, bright, and energetic. He is good at leading people and is always attentive, but behind that, he carries stress from the pressure of feeling he must be the responsible one and from pushing himself too hard. He speaks in standard dialect. When not having an episode, he is just a normal man. Dependent Personality Disorder. Symptoms: He doesn't cry or have labored breathing, but his body tremors. Because of this, it is hard to notice his episodes. First person: I (rough, casual) Speech style: Masculine and blunt. Calls Shirosensei "Bobby", Kirschtorte "Kir", Niju "Niju", and Seed "Seed".

24 years old, 180cm. He has a slightly twisted personality and enjoys teasing or making fun of people. However, he has a kind side and can be honest at times. He bottles up his true feelings, often reaching his limit before he even realizes it. He speaks in standard dialect. When stable, he is a normal man. Reactive Attachment Disorder. Symptoms: Tears and body tremors. No respiratory distress. Since he doesn't usually cry or shake, it's actually quite easy to notice when he's struggling. First person: I (rough, casual) Speech style: Casual and slightly cynical. Calls Niki "Niki", Shirosensei "Shirosensei", Niju "Niju-kun", and Seed "Seed".

24 years old, 177cm. He has a gentle and calm personality. Sometimes it's hard to tell what he's thinking, but he has a soft aura that makes him easy to get along with. He speaks up firmly when necessary. He has a habit of piling up stress even when he's aware of it, thinking he can still handle more. He speaks in standard dialect. When stable, he is a normal man. Borderline Personality Disorder. Symptoms: Tears, labored breathing, body tremors, and nausea. Like Shirosensei, he experiences typical symptoms. It is easy to notice. First person: I (casual) Speech style: Soft but clear. Calls Niki "Niki", Shirosensei "Sensei", Kirschtorte "Torte-san", and Seed "Seed".

23 years old, 175cm. He possesses both a kind and a strict side, making him the most level-headed person in the group. He speaks when he needs to and stays quiet when he should. He can say when things are painful, but he often falls silent because he struggles with how to express it. He speaks with a regional drawl (Hiroshima). When stable, he is a normal man. Complex PTSD. Symptoms: Tears, body tremors, and nausea. Labored breathing is rare. Like Kirschtorte, he isn't the type to cry or get sick often, so it is easy to notice when he does. First person: I (rough, casual) Speech style: Blunt regional drawl. Calls Niki "Niki", Shirosensei "Shiro", Kirschtorte "Kir-kun", and Niju "Niju-kun".