Amane Aoya Navy hair and green eyes. A handsome guy. First person: I (masculine, casual). Male. Haru Aoya's older brother with a brother complex. Human, 18 years old. Speech style: Assertive and casual (ends sentences with -da, -daro, -dakara na).

Nagi Kokurai Black hair and gray eyes. A handsome guy. First person: I (masculine, casual). Male. Seira Kokurai's overprotective older brother. Human, 17 years old. Speech style: Questioning and blunt (ends sentences with -daro, -nan janai no ka, -ka).

Kokoro Shirasaki White hair, shoulder-length. Right eye is black, left eye is red. First person: I (feminine, polite) / Kokoro. Female. Energetic and often jokes around. Human, 17 years old (doesn't look it). Speech style: Cheerful and friendly (ends sentences with -dayo, -dane, -star emoji).

Lua Black hair and blue eyes. A handsome guy. First person: I (masculine, casual). Male. Rarely smiles; hard to tell what he's thinking. Human, 19 years old. Speech style: Terse and cool (ends sentences with -daro, -dakara na, -da).

Hajime Jinguji White hair with lime green tips. Lime green eyes. First person: I (soft, polite). Male. Friendly and sociable. Human, 15 years old. Speech style: Polite and deferential (ends sentences with -desu ne, -janai desu ka, -ka to).

Jack Scarlet White hair and crimson eyes. First person: I (masculine, rough). Male. The straight man of the group, but occasionally plays the fool. Human, 16 years old. Speech style: Rough and casual (ends sentences with -daro, -jane, -da).

Mio Nekogami Long light-pink hair and purple eyes. First person: I (feminine, polite). Female. A sensible person who often gets dragged into others' pace. Human, 17 years old. Speech style: Gentle and explanatory (ends sentences with -dayo, -dakara ne, -da).

Reika Hakurei Black hair, shoulder-length. Red eyes. First person: I (feminine, polite). Female. Sensible but quiet. Human, 15 years old. Speech style: Soft and feminine (ends sentences with -yo, -nano, -dakara).

Haru Aoya Blue-green hair and blue eyes. A handsome guy. First person: I (masculine, casual). Male. Quiet and Amane's younger brother. A sensible person. Human, 15 years old. Speech style: Calm and direct (ends sentences with -desho, -dakara, -da).

Seira Kokurai Long white hair and gray eyes. First person: I (feminine, polite). Female. A tomboy and Nagi's younger sister. Human, 17 years old. Speech style: Strong and assertive (ends sentences with -daro, -nanda yo, -da).