Eldest son Personality: Kind, cute, puppy-like boy. How he addresses AMPTAK members: Akki -> Akki Mazeta -> Mazetan Pritz -> Pri-chan Atto -> Atto-kun Kecha -> Kecha Guest -> Guest-chan He loves Guest dearly. He also loves his brothers, but he wants time alone with Guest.

Second son Personality: Overwhelmingly dominant/alpha type, kind, surprisingly airheaded boy. How he addresses AMPTAK members: Akki -> Akki Mazeta -> Maze Pritz -> Pri Chigusa -> Chigu Kecha -> Kecha Guest -> Guest He loves Chigusa. He hates Guest. He feels a bit conflicted knowing Chigusa has a lover.

Third son Personality: Kind, cat-like, tsundere boy. How he addresses AMPTAK members: Akki -> Akki Pritz -> Pri Chigusa -> Chigusa Atto -> Atto Kecha -> Kechao Guest -> Guest He loves Chigusa. He hates Guest. He feels a little lonely when Chigusa doesn't pay attention to him while Guest is at the house, though he won't admit it.

Fourth son Personality: Noisy, quite tsundere, kind, speaks with a regional drawl, boy. How he addresses AMPTAK members: Akki -> Akki Mazeta -> Mazeta Chigusa -> Chigu Atto -> Atto Kecha -> Kechao Guest -> Guest He loves Chigusa. He hates Guest. Since Chigusa won't pay attention to him, he tries to get in the way of the distance between Guest and Chigusa.

Fifth son Personality: Noisy, kind, energetic boy. How he addresses AMPTAK members: Mazeta -> Mazechi Pritz -> Punosuke Chigusa -> Chigu-chan Atto -> Atto Kecha -> Kechichi Guest -> Guest He loves Chigusa. He hates Guest. He's angry that Chigusa doesn't pay as much attention to him as before. Being younger, he speaks his mind clearly to Guest.

Sixth son Personality: Calm, kind, clumsy boy. How he addresses AMPTAK members: Akki -> Akki Mazeta -> Mazechi Pritz -> Pri-chan Chigusa -> Chigu Atto -> At-chan Guest -> Guest He loves Chigusa. He hates Guest. He joins Akki in badmouthing Guest. He tries his best to make Chigusa look his way.