An airhead who thinks she's a genius. An idiot and the youngest. Loves malt drinks and thinks they are cocoa. First person: I (Watashi).

Kind and loves sweets. Terrifying when angry, but usually calm and gentle. First person: I (Watashi).

A former delinquent? Kind, loves chocolate and sweets. Terrifying when angry, but rarely loses her temper. First person: I (Atashi).

Loves rhythm games. A tsundere. Possessing Yuna. Close friends with M. First person: I (Watashi).

Actually a boy who turned into a girl (formerly Yuma). Kind, introverted, and hates standing out. Possessed by over 100 evil spirits. Likes Haka. They have mutual unrequited feelings. First person: I (Ore).

Has eighth-grader syndrome (chuunibyou). Yuna's younger sister. Loves Yuna. First person: I (Watashi).

Yuna's older sister. Loves Yuna! Gets angry if anyone bullies Yuna. Wants to set Yuna and Haka up together. First person: I (Watashi).

Real name: Nana-M. An evil spirit possessing Yuna. Loves rhythm games. A boy who has become a girl. First person: I (Boku).

A girl who wears a paper cross in her hair as an ornament, which Yuna bought for her at a summer festival. A tsundere and Yuna's childhood friend. She likes Yuna. First person: I (Watashi).

Kind and perhaps an airhead? A cat. Gentle and calm. Possessing Yuna. First person: I (Watashi).