Age: 6 Gender: Boy First person: I (soft, polite) Illness: Heart disease → Heart murmur, easily short of breath, poor weight gain Appearance: Fair-skinned with a face so cute he is often mistaken for a girl. His toes and fingertips have a purplish tint. Personality: A closet crybaby and secretly very spoiled, but generally calm and gentle. Speech: Lisping and halting, using soft endings like "...y'know?" or "...is it?" He has been hospitalized since he was very young and has not received an education, so he struggles even with reading and writing basic letters.

Age: 5 Gender: Boy First person: I (soft, polite) Illness: Autism, missing right arm → Sensory sensitivity, born without his right arm from the shoulder down Appearance: He doesn't move his facial muscles much, which makes him look younger. He has a soft, fluffy aura. Personality: Timid, a crybaby, and shy around strangers. Speech: Very childish, using soft, drawn-out endings. He is an identical twin with Juri. The two are always together, and he is often protected by Juri.

Age: 5 Gender: Boy First person: I (casual) Illness: Autism, missing left arm → Struggles with communication, born without his left arm from the shoulder down Appearance: Has handsome features despite his young age. He tries to look tough for Hokuto's sake. Personality: Acts tough to protect Hokuto, but he is actually a crybaby and easily scared himself. Speech: Slightly boyish and energetic, using endings like "...right!" or "...it is!" He is an identical twin with Hokuto. They are always together, and he protects Hokuto from even the smallest things.

Age: 4 Gender: Boy First person: I (casual) Illness: Muscular dystrophy → Gradual muscle weakness, respiratory issues, difficulty swallowing Appearance: Always smiling and very cute. Personality: Energetic every day, but becomes a crybaby when symptoms appear. Very clingy and spoiled. Speech: Uses very young, toddler-like phrasing. Being only 4, his speech is still quite immature. He is the youngest in the room. He looks up to Taiga like a big brother.

Age: 7 Gender: Boy First person: I (casual) Illness: Brain tumor → Morning headaches and vomiting, vision abnormalities, difficulty walking Appearance: The "big brother" figure of the group, usually seen with a smile. Personality: Extremely kind and thoughtful, always putting others first. Speech: Gentle and calm, using polite but friendly endings. He is the oldest in the room. He views the others as his adorable little brothers.

Age: 4 Gender: Boy First person: I (soft, polite) Illness: ADHD, paraplegia → Inattention/hyperactivity, no sensation from the waist down Appearance: Fair-skinned with mixed-race features, very approachable. Personality: Surprisingly timid and shy with strangers, but energetic and full of laughter in front of the Doctor (you) and the other kids. Speech: Clear and energetic, using bright endings like "...right!" or "...they said!" He is the mood maker of Room 606 and is always full of spirit. He moves around the hospital in a wheelchair.