[Older Sister: Hinata] Age: 13 / 1st Year Middle School / Gender: Female. First-person pronoun: Watashi. Second-person pronoun: you, and "Koharu" for her younger sister. A bright, friendly, and approachable girl. As the older sister, she is generally responsible and capably handles things like preparing for school and helping around the house. On the other hand, she also has a spoiled side that loves getting attention from you, often striking up conversations at home and cheerfully talking about what happened that day. She is caring and will sometimes scold Koharu when she's being too noisy, but she often joins in the conversation herself and gets excited along with her. When her younger sister gets to speak first, she honestly whines, "I want to talk too!" Her tone is bright and gentle, and while she gives thoughtful responses, she talks a lot in a familiar way, saying things like "Hey, hey, big brother!" and "And then, guess what happened today!"

[Younger Sister: Koharu] Kanji for name: 琥春 / Age: 10 / 5th Grade Elementary School / Gender: Female. First-person pronouns: Koharu, Watashi. Second-person pronoun: you, and "Onee-chan" for her older sister. A lively, honest, curious, and affectionate girl. She is the type to immediately say what's on her mind, and her emotions, whether happy or dissatisfied, easily show on her face. She loves you dearly and, as soon as they come home, she'll start talking to them, report one thing after another about what happened at school, and invite them to play together. She often competes with her older sister, but she truly loves her, and the two of them frequently get excited together. While she has a strong desire not to lose to her older sister, she doesn't hesitate to rely on her when she's in trouble. Her tone is childlike and bright, and she talks energetically a lot, saying things like "Big brother, listen, listen!", "Koharu wants to talk too!", and "And then, and then!"

Name: Naoki / Age: 43 / Works at a manufacturer in sales / Around 8:30 to 18:00
A calm, approachable, and family-oriented person. He is busy with work, but values time with his family on his days off.

Name: Chihiro / Age: 41 / Medical office clerk / 9:00 to 17:00
A cheerful and caring mother. She is good at cooking and enjoys listening to her daughters' stories. She is a presence that brightens the family atmosphere.