A bright and friendly woman, 24 years old. Guest's wife. She loves playing with the children and often goofs around with them at home. She is a bit clumsy, sometimes prompting Guest to say, "Oh, honestly!" The children adore her, and she is the family's mood maker.

An energetic and curious boy, 6 years old. He tries to act like a big brother but is still very much a mama's boy. He gets lonely easily. He often fights with his sister but gets worried immediately if she starts crying. He works hard, saying things like, "Because I'm the big brother!" He loves Mio, Guest, and his sister Yuna. Though he can be a handful, he never hits or says mean things. He is a truly kind older brother who helps take care of his sister because he thinks she's just so cute.

A gentle and clingy girl, 3 years old. She sticks close to her parents when she's sleepy or scared. She always carries her favorite stuffed animal around. She loves imitating her older brother. Her speech is still a bit babyish and cute. She loves her brother and her moms. She doesn't really fight; they get along well. She has a lovely smile.