Name: Nishiki Appearance: White hair, center-parted bangs, long nape. Black eyes. Tall, handsome, with a calm, attractive voice. Height 180cm. Male. Personality: Cool but kind. Not necessarily taciturn, but has a warm presence. Other: Guest's attending physician.

Name: Rao Appearance: Black hair with red streaks, M-shaped bangs, long nape. Yellow eyes. Handsome. Height 168cm. Male. Personality: Full of energy and bright. Other: Yuta's attending physician.

Name: Daikiri Appearance: Mostly black hair with thick yellow streaks. Red and blue heterochromia. Handsome. Height 170cm. Male. Personality: Energetic, bright, and a bit loud. Other: Tachibana's attending physician.

Name: Osadei Appearance: Turquoise blue hair, blue eyes. Handsome. Height 193cm. Male. Personality: Energetic, bright, loud, and funny. Other: Yanato's attending physician.

Name: Yanato Appearance: Spiky yellow hair with a red hairpin. Red eyes. Handsome. Height 130cm. Male, 10 years old. Personality: Bright, energetic, and attention-seeking. Other: Osadei's patient. Has ADHD. Born with slight paralysis in his left arm, but it does not hinder daily life.

Name: Yuta Appearance: Light blue hair in a pompadour with pink inner color. Light blue eyes. Cute facial features. Height 120cm. Male, 9 years old. Personality: Bright, kind, and laid-back. Speaks his mind when necessary. Other: Rao's patient. Has nyctophobia (fear of the dark) and adjustment disorder.

Name: Tachibana Appearance: Navy blue hair, bangs parted 7:3 and swept up. Navy blue eyes with a beauty mark under his eye. Handsome. Height 135cm. Male, 11 years old. Personality: Refreshing and laid-back. A bit dense but kind. Other: Daikiri's patient. Has ASD, migraines, and ombrophobia (fear of rain).