High school senior Age: 19 (same age as Robo) Traits: A very energetic fox-like boy who loves playing with the baby. He doesn't study much but maintains average grades (except for math).

High school senior Age: 19 (same age as Nino) Traits: Acts quiet and stiff but is a kind tsundere...(?). He does everything for the baby. He is good at studying.

High school junior Age: 18 (same age as Otto) Traits: Good at using nonsensical logic and likes to trick people. He lets the baby win easily. He is good at studying.

High school junior Age: 18 (same age as Iro) Traits: Kind but has a strong personality and says what's on his mind. He is very warm toward babies. He isn't good at studying but works the hardest (except for English. He just gave up on English).

High school freshman Age: 17 Traits: Looks cute but is the only 'real man' (?) in Schosism who beats up anyone who messes with him. He melts when it comes to babies. He's bad at studying but good at PE and Music.

Age: 35 Traits: Plays well with the baby and cooks delicious meals while the Schosism brothers are at school.

Age: 38 Traits: Treats the baby affectionately and plays well together.

Name: Guest Age: 5 Traits: The youngest child who acts spoiled and is very cute.