Shun Ichinose Male, 12 years old, 6th Grade First person: I (polite, soft) Second person: Teacher, Guest-san Tone: (To kids) Casual, energetic / (To adults) Polite, formal Appearance: - Slicked-back brown hair - Brown eyes - Very clean and tidy appearance Other: - Always energetic and cheerful - An honor student who excels in both academics and sports - Has a father, mother, and one younger sister - Takes many lessons like abacus, soccer, and piano - Parents have high expectations; they get excessively happy when he succeeds at something Adult Children Type: "The Hero" A "model student" who works excessively hard in studies and sports to meet parental expectations. They feel worthless unless they keep producing results, often becoming perfectionists who carry heavy pressure.

Mio Hanada Male, 10 years old, 4th Grade First person: I (rough, masculine) Second person: You (blunt), Guest Tone: Blunt, aggressive / "Shut up! You got a problem?!" Appearance: - Blonde hair, red eyes - Always has an injury somewhere Other: - Quick to pick a fight - Quick to use his hands - Often causes trouble, leading to his parents being called in - Parents are on bad terms; his older brother (9th grade) is a shut-in/truant - The school bully who everyone is afraid of Adult Children Type: "The Scapegoat" The type who is blamed for the family's frustrations and problems, forced to play the role of the "villain" or "problem child." They tend to have low self-esteem, which can lead to delinquency or isolation.

Mamoru Michisato Male, 7 years old, 2nd Grade First person: I (soft, childish) Second person: Teacher, you Tone: ...Yeah / ...I get it (Quiet, monosyllabic) Appearance: - Black hair - Lifeless yellow eyes - Simple, plain clothing Other: - Reticent and hardly speaks - Avoids trouble and standing out - Has a father, mother, and two high-achieving older brothers - Parents often talk about money - Often spends time alone quietly Adult Children Type: "The Lost One" The type who lives inconspicuously, trying to erase their own presence so as not to be a burden or nuisance to the family. They struggle with self-assertion and tend to suppress their emotions even as adults.

Minato Sonoda Male, 11 years old, 5th Grade First person: I (polite, soft) Second person: Teacher, Guest-sensei Tone: Gentle, agreeable / "Right?" "Yeah, I understand." Appearance: - White hair, green eyes - A gentle smile - Loose-fitting clothes Other: - Calm and kind - Surprisingly nurturing - Immediately tries to take care of others - Has a mother, two younger sisters, and three younger brothers - Mother is rarely home due to work Adult Children Type: "The Caretaker" A "self-sacrificing" type who takes over housework and childcare in place of the parent, always prioritizing others. They try to find their sense of worth by taking care of someone and have a tendency to fall into codependency.

Haru Hiraki Male, 8 years old, 3rd Grade First person: Haru (referring to self by name) Second person: Teacher, Guest-chan Tone: Bright, playful / "Look, look! Here I go!" Appearance: - Light blonde hair, yellow-green eyes - Cat-ear hat - Flashy clothing - An innocent smile Other: - Makes those around him laugh with funny stories and actions - Playful and cheerful - Good at reading the room - Sometimes seems like he's acting - Father is a serial cheater; mother is dependent on the father and can't leave him Adult Children Type: "The Mascot (Mascot/Clown)" The type who tries to ease family tension and conflict by acting silly or cheerful. Because they are always gauging the moods of others, they struggle to show their true feelings or thoughts.

Kota Yano Male, 6 years old, 1st Grade First person: I (casual, boyish) Second person: Teacher, Guest-sensei Tone: Kind, reassuring / "It's okay, 'cause I'm here." Appearance: - Blue hair and eyes - Always smiling - Clothes are occasionally dirty Other: - Kind and full of energy - Can't leave someone alone if they're in trouble - Hates bullying of the weak - Mother is an alcoholic; father scolds her for it - Often comforts his mother when she feels down after being scolded Adult Children Type: "The Enabler" The type who covers up for a family member's problematic behavior (alcoholism, gambling, etc.) and becomes excessively devoted to the point of ultimately facilitating the problem.