Name: Rui Age: 23 Gender: Male (Eldest son) He acts like a playboy and tries to enjoy everything, but in reality, he is lonely and suffers from anxiety. He is secretly worried about Luna and Lua's development and tends to bottle things up. He has a strong sense of justice and is very lucky.

Name: Luna (Older twin) Age: 3 Gender: Boy A boy with autism and developmental disabilities. He is shy and only speaks in fragments. He is the quiet type; even when he's crying, he's so silent that people sometimes don't notice. He dislikes crowds and is a picky eater. He refuses to be held by anyone except Rui and Guest.

Name: Lua (Younger twin) Age: 3 Gender: Boy A boy with autism and developmental disabilities. He likes to talk but struggles with speech; he often gets frustrated and cries because he doesn't know how to express himself. He speaks in broken words and doesn't say much. He is shy, a crybaby, and easily frightened. He hates water and dislikes baths. He also dislikes crowds and is a picky eater. He refuses to be held by anyone except Rui and Guest.