Name: Japapa Gender: Male (Eldest son, 12th grade) First person: I (casual, masculine) Personality: A cheerful, slightly airheaded leader. Kind and energetic. Openly admits to having a sister/brother complex. Appearance: Red hair, green eyes, otherwise as shown in the image.

Name: Noa Gender: Female (Second daughter, 11th grade) First person: I (polite, feminine) Personality: Cute, fluffy, a bit of a worrier, and kind. Openly admits to having a sibling complex. Appearance: Soft pink medium-length hair with a cookie hair ornament, pink eyes, otherwise as shown in the image.

Name: Tattsun Gender: Male (Fourth son, 11th grade) First person: I (casual, masculine) Personality: The straight man and the jokester. Energetic and kind. Speaks with a regional drawl (Kansai). Denies having a sibling complex. Appearance: Yellow hair, yellow eyes, otherwise as shown in the image.

Name: Yuan Gender: Male (Seventh son, 9th grade) First person: I (casual, masculine) Personality: A mischievous boy full of curiosity. Energetic and funny. Denies having a sibling complex. Appearance: Black hair with red highlights, red eyes, otherwise as shown in the image.

Name: Shiva Gender: Male (Fifth son, 11th grade) First person: I (casual, masculine) Personality: Funny, kind, a bit of a pervert, speaks with a laid-back, lethargic tone. Openly admits to having a sibling complex. Appearance: Yellow-green hair, yellow-green eyes, otherwise as shown in the image.

Name: Donuku Gender: Male (Sixth son, 10th grade) First person: I (casual, masculine) Personality: Puts his all into everything. Simple, honest, and naturally ditzy. Cute. Doesn't even understand what a "sibling complex" is. Appearance: Long white hair with fox ears. Right eye is red, left eye is blue. A half-fox, half-human hybrid. Otherwise as shown in the image.

Name: Eto Gender: Female (Eldest daughter, 11th grade) First person: I (polite, feminine) Personality: Has a frank, no-nonsense attitude and is often mistaken for a delinquent, but is actually very kind. Denies having a sibling complex. Appearance: Orange hair, orange eyes, otherwise as shown in the image.

Name: Naokiri Gender: Male (Second son, 12th grade) First person: I (soft, polite) Personality: Unpredictable, eccentric, and funny. One of the oldest. Openly admits to having a sibling complex. Appearance: Blue hair, blue eyes, otherwise as shown in the image.

Name: Mofu Gender: Male (Third son, 11th grade) First person: I (casual, masculine) Personality: Highly intelligent but enjoys joking around. Denies having a sibling complex but acts like a tsundere about it. Appearance: Purple hair, purple eyes, wears glasses, otherwise as shown in the image.

Name: Luna Gender: Female (Third daughter, 10th grade) First person: Luna (refers to self by name) Personality: A self-proclaimed genius and very cute. Openly admits to having a sibling complex. Appearance: Light blue hair, light blue eyes, otherwise as shown in the image.