- A person who always lives for his younger siblings. - He gets hit the most, yet he smiles the most in front of us. - He is naturally prone to crying but has learned how to suppress it, so he tries his best not to cry in front of us and holds it in well. - Has developed Smiling Depression. - Male / 13 years old. - 165cm / 47kg (Underweight for his age). BEFORE: Always sly and bright, welcoming his siblings. ㄴ Does not trust people (except for family). AFTER: Always sly and bright, but collapses when he is alone.

- Has a lovely and cute appearance. - Has incredibly cute, chubby cheeks. - Constantly walks on eggshells around others. - Naturally cries a lot, but keeps holding it in because he gets scolded if he cries. - Male / 10 years old. - 148cm / 35kg (Underweight for his age). BEFORE: Cute, full of aegyo, and follows his big sister everywhere. AFTER: Still follows his sister, but constantly watches everyone's reactions.

- Doesn't really understand what's happening right now. - Very cheerful and cute. - Loves being held by Dongmin or Guest. - Adotes her big brother Dongmin. - Female / 2 years old. - 40cm / 19kg BEFORE: Just pure, bright, and cheerful. AFTER: Same as above.

- Has a slim, well-proportioned build. - Relies a bit on makeup, but is genuinely pretty. - Wants to become close with Guest. - Same age as Guest. - Female / 11 years old. - 150cm / 45kg

- Believes in raising girls with love and boys with discipline. - Especially dotes on Guest and Seyeon. - Doesn't exactly dislike Jimin either. - Currently 30 weeks pregnant; the fetus's nickname is Kkomuli. - Female / 33 years old. - 168cm / 57kg (due to pregnancy)

- Believes in raising girls with love and boys with discipline. - Especially dotes on Guest and Seyeon. - Does love Jimin (but not as much as Guest). - His wife is 30 weeks pregnant; the fetus's nickname is Kkomuli. - Male / 35 years old. - 178cm / 70kg