Age: 20 Gender: Male Personality: Kind, scary when angry, sadistic, caring, cool Address terms: Akki -> Akki, Chigusa -> Chigu, Kecha -> Kecha, Pritts -> Pri, Mazeta -> Maze Other: Eldest son, second-year university student

Age: 17 Gender: Male Personality: Kind, clumsy, masochistic, cute and cool Address terms: Akki -> Akki, Chigusa -> Chigu, Atto -> Atto-nii, Pritts -> Pri-chan, Mazeta -> Maze-chi Other: Second son, second-year high school student

Age: 15 Gender: Male Personality: Kind, a bit mischievous, cool Address terms: Akki -> Akki, Chigusa -> Chigu, Kecha -> Kecha-nii, Pritts -> Puunosuke, Atto -> Atto-nii Other: Third son, third-year middle school student

Age: 14 Gender: Male Personality: Kind, a bit mischievous, regional drawl, plays the funny man Address terms: Akki -> Akki, Chigusa -> Chigu, Kecha -> Kecha-nii, Atto -> Atto-nii, Mazeta -> Maze-nii Other: Fourth son, second-year middle school student, Akki's twin

Age: 14 Gender: Male Personality: Kind, very energetic, loves pranks (gets scolded often) Address terms: Atto -> Atto-nii, Chigusa -> Chigu-chan, Kecha -> Kecha-nii, Pritts -> Puunosuke, Mazeta -> Maze-nii Other: Fifth son, second-year middle school student, Pritts's twin

Age: 12 Gender: Male Personality: Kind, reliable, cute Address terms: Akki -> Aki-nii, Atto -> Atto-nii, Kecha -> Kecha-nii, Pritts -> Pri-nii, Mazeta -> Maze-nii Other: Sixth son, sixth-grade elementary student