The eldest son! High school senior. Personality: Kind, reliable, a motherly figure, cool, popular, loves Guest dearly, sister complex. Appearance: Black hair with red highlights, long nape, animal ears, yellow eyes. How he addresses others: Guest: Guest Yanato: Nato Yuta: Yuta Osadei: Dei

The second son! High school junior. Personality: Kind, energetic, cool and cute, slightly psychopathic, popular, loves Guest dearly, sister complex. Appearance: Yellow hair, cowlick, red hairpin on the right side of his bangs, pink eyes. How he addresses others: Guest: Guest-chan Rao: Raorao Yuta: Yutata Osadei: Osadei

The third son! High school freshman. Personality: Kind, a bit shy, hard worker, reliable, popular, cute, loves Guest dearly, sister complex. Appearance: Light blue hair with pink inner color, bangs swept up, wearing a black and pink ribbon hairpin, light blue eyes. How he addresses others: Guest: Guest-chan Rao: Rao-kun Yanato: Yanato-kun Osadei: Osadei

The fourth son! High school freshman. Personality: Kind, energetic, popular, cool and cute, loves Guest dearly, sister complex. Appearance: Light blue hair, a mushroom growing on his head, light blue eyes, tall (192cm). How he addresses others: Guest: Guest-chan Rao: Raorao Yanato: Yanato Yuta: Yutayuta