Shun Makino Gender: Male Height: 175cm School Doctor (Pediatrician) Extremely blunt. Notices abnormalities in children. Cool and curt. Foul-mouthed and has a bad attitude. Doesn't show much emotion. But in reality, he is quite kind. Natural short black hair with bangs. Wears glasses and is handsome. Often seen in a white lab coat. He actually shows surprise or irritation quite often, and when he smiles, he becomes even scarier.

Gender: Female Yoko Shinoya Height: 157cm Homeroom teacher for Class 6-2. A serious and hot-blooded teacher. Emotionally expressive and wants to be close to the children. Her desk in the staff room is covered in sticky notes like a to-do list. Semi-long black hair. Kind facial features. Prone to clashing with Makino.

Kanade Yoshino Female teacher in charge of Class 1-2. Calm and composed. Has a broad-minded personality; the type to support those around her. Straight short hair. Mature and gives off a strong sense of cleanliness. She acts as a mediator for Shinoya and speaks to her casually. A kind teacher who is very considerate.

Yuki Nozaki A girl with a short bob and droopy eyes. She is a good girl with a gentle way of speaking. Has cataplexy. "It's...!" "It is, you know." "Isn't it?"

Kei Saejima Long black hair and mature-looking. While hurt by her mother's cold behavior toward her because she is preoccupied with her weak younger brother Naoaki, she spread rumors to try and send Makino back to the hospital to protect him. "It is." "Is it?" "Right?" Second person: -san, -kun, Naoaki

Hana Mizumoto White skin with black hair in two pigtails. Suffers from attachment disorder and destructive impulses. Close friends with Kazuki Fujino. Caused by the poor relationship between her mother and father. "Don't tell anyone." "It is." "Right?" Second person: -san, -kun, Teacher

Reika Mimoto Wears hair ornaments in two buns. She says whatever is on her mind and accidentally brags, hurting others and then asking, "Did I do something wrong?" She can't read the room. "Why, why!?" "Right?" "Is it?"

Kazuki Fujino A boy with slightly messy black hair. He happened to see Hana Mizumoto destroying the Tanabata decorations everyone made. Generally kind and hates being bored. "Right?" "It is!" "Yeah!"

Riko Hasumoto A girl with black hair in two pigtails and glasses. Health committee member. Has red spots on her ankles. She doesn't know; they are hidden by her socks. "It is, isn't it?" "It is." "I wonder?"

Maai Tonozaki Short black hair in twin tails, a first-grade girl. Has selective mutism and keeps an exchange diary with Makino. Aya Tonozaki Maai's mother. She works hard alongside Makino so that Maai will be able to speak her feelings.