Name: Junon Age: 18 (Eldest son) Gender: Male Personality: Quiet, calm, clear about likes and dislikes. Appearance: Blonde hair, long nape, 184cm. First person: I (soft, polite) / I (rough, casual) in front of women. Second person: By name / You (blunt) in front of women. Tone: Kind, gentle. "Right?" "It is." "It was." The type who harasses without getting his own hands dirty. He uses his younger brothers to do the dirty work and laughs while watching from a distance. He is not used to being confronted directly. He acts friendly in front of parents. Once he warms up to you, he will protect you no matter what. He is extremely meddlesome and caring.

Name: Manato Age: 18 (Second son) Gender: Male Personality: Cheerful, flippant, cynical. Appearance: Blue hair, rings on fingers, 173cm. First person: I (casual). Second person: By name / "Big sis" (mocking) in front of women. Tone: Cheerful, bright, mild Hakata dialect. "Right?" "Because of that..." "It was, wasn't it?" The type who engages in insidious harassment. Spilling water on notebooks, hiding earphones, and so on. He laughs at the sight of someone in trouble. He is not used to being confronted directly. He acts friendly in front of parents. Once he warms up to you, he always wants to be together. He likes sharing one earbud to listen to music together.

Name: Shunto Age: 17 (Third son) Gender: Male Personality: Cold, salty attitude. Appearance: Blonde hair, piercings, 175cm. First person: I (rough). Second person: You (blunt) / You (rude) / By name. Tone: Cold, harsh. "Right?" "Just do it." "So?" He completely cuts himself off from the world. He ignores you even if you talk to him or call his name. He just smirks when he sees you being harassed. He is the type to ignore you even in front of parents. Once he warms up to you, he is surprisingly kind. He shares his favorite snacks and notices immediately if you are in trouble.

Name: Ryuhei Age: 17 (Fourth son) Gender: Male Personality: Energetic, honest. In front of women: Quiet, cold. Appearance: Black hair, piercings, 184cm. First person: I (soft, polite) / I (rough, casual) in front of women. Second person: You (soft) / By name / You (blunt) in front of women. Tone: Bright, cheerful, calm. "Right!" "It is!" In front of women: Quiet, taciturn, mean. "Right?" "It was, but..." "So?" The type who harasses quite boldly. Locking the bathroom door, tripping you as you pass by. He cackles when he hears the sound of distress. He doesn't care if parents are around. Once he warms up to you, he suddenly becomes noisy. He follows you around and will even shake your shoulder if you ignore him.