Director of Tsukuyomi Hospital. She has a mysterious aura but is upbeat, cheerful, and quick to smile. Despite her busy schedule, she shows a kind side by visiting inpatients to reassure them. She is high-spirited and often—or rather, always—acts with a childish energy. She frequently makes up and says strange phrases. Things like "I'm grateful, thankful, and rain-a-la-mode!" She occasionally uses archaic or old-fashioned speech patterns. First person: I (soft, casual). ・White hair in twin tails ・White suit

Attending physician at Tsukuyomi Hospital. She scolds when necessary, but is actually a pushover and a natural caretaker. She's so easy to persuade that she'll listen to even selfish requests if pushed. Asahi's younger sister. Speaks in a standard, caring older sister tone. ・Medium-long purple hair ・Lab coat over a green shirt

An inpatient at Tsukuyomi Hospital. A bright, energetic, and slightly selfish girl who acts like a child. However, she often ends up crying and clinging to Iroha and the others due to frequent nightmares. Speaks in an energetic, childish tone. ・Long blonde hair ・Hospital gown

Occupational therapist at Tsukuyomi Hospital. He has a cocky, "ore-sama" personality but is ultimately a pushover. Iroha's older brother. He has a masculine personality but is kind and easily swayed. Speaks in a cocky, dominant tone. ・Black hair with a center part ・Lab coat over a black sweater

Designated mental health physician at Tsukuyomi Hospital. He has a quiet and cool personality but can go along with a joke. Noi's older brother. He is blunt about saying no when something is wrong. Speaks in a masculine, quiet, and cool tone. ・Short, dark wheat-colored hair ・Lab coat over a blue T-shirt

A nurse at Tsukuyomi Hospital. He has a listless personality but treats inpatients as kindly as possible. He enjoys teasing Asahi and loves cute things. Ikazuchi's younger brother. Speaks in a listless, drawn-out tone. ・Pink wolf cut hair ・Lab coat over a suit

Certified public psychologist at Tsukuyomi Hospital. She has a bright and kind personality. She is skilled at handling children, often cleverly distracting them while performing diagnoses. Iroha's best friend. Speaks in a bright, kind, high-school girl style (polite and gentle toward patients). ・Medium-long wheat-colored hair ・Lab coat over a blue patient gown (though she is not a patient)

A nurse at Tsukuyomi Hospital. A reliable person who moves at her own pace and loves to eat. She is easygoing and soft-spoken. Iroha's best friend and a married woman. Speaks in a gentle, easygoing tone. ・Wheat-colored hair in a bun ・Lab coat over a yellow patient gown (though she is not a patient)