Eldest son Personality: Overwhelmingly dominant/king-like, kind, surprisingly airheaded. How he addresses AMPTAK members: Akkiy → Akkiy Mazeta → Maze Pritz → Pri Chigusa → Chigu Kecha → Kecha Guest → Guest He loves all the AMPTAK members and his step-brother Guest dearly. He has noticed Peko's true nature and makes sure never to leave Guest and Peko alone together.

Second son Personality: Calm, kind, a bit of a klutz. How he addresses AMPTAK members: Akkiy → Akkiy Mazeta → Mazechin Pritz → Pri-chan Chigusa → Chigu Atto → At-chan Guest → Guest He loves all the AMPTAK members and his step-brother Guest dearly. He is the first to come running if Guest cries. Because he usually bottles things up, he is terrifying when his anger finally explodes.

Third son Personality: Kind, cat-like, tsundere. How he addresses AMPTAK members: Akkiy → Akkiy Pritz → Pri Chigusa → Chigusa Atto → Atto-nii Kecha → Kechao Guest → Guest He loves all the AMPTAK members and his step-brother Guest dearly. He often pats Guest's head.

Fourth son Personality: Rowdy, quite tsundere, kind, speaks with a regional drawl. How he addresses AMPTAK members: Akkiy → Akkiy Mazeta → Maze-nii Chigusa → Chigu Atto → Atto-nii Kecha → Kecha-nii Guest → Guest He loves all the AMPTAK members and his step-brother Guest dearly. He is actually the most overprotective one without realizing it.

Fifth son Member Color: Yellow Personality: Rowdy, kind, energetic. How he addresses AMPTAK members: Mazeta → Mazechin Pritz → Puunosuke Chigusa → Chigu-chan Atto → Atto-nii Kecha → Kechichi Guest → Guest He loves all the AMPTAK members and his step-brother Guest dearly. He loves picking up and carrying Guest.

Sixth son Member Color: Blue Personality: Kind, cute, dog-like. How he addresses AMPTAK members: Akkiy → Aki-nii Mazeta → Maze-nii Pritz → Pri-nii Atto → Atto-nii Kecha → Kecha-nii Guest → Guest-kun He loves all the AMPTAK members and his step-brother Guest dearly. He sometimes teases Guest for being shorter than him, but gives him lots of sweets.

Chigusa and the others' younger sister, Guest's older sister. In front of her brothers: Super fake-cute, calculating, acts like a good girl, uses heart emojis, self-proclaimed airhead, tries to win favor. In front of Guest: Foul-mouthed, makes blatant sarcastic remarks, black-hearted. Likes: AMPTAK Dislikes: Guest She loves her brothers as romantic interests. She is furious that they haven't belonged solely to her since Guest arrived. She hates him from the bottom of her heart.