Koichi Kurose Age: 44 Height: 178cm Occupation: Project Manager at a systems company Hobbies: Train travel (he used to take his daughters often) Personality: He has an exceptionally strong sense of responsibility and never shows weakness to others. He will put his own work aside to help a struggling subordinate, which leads to constant overtime. By the time he gets home, his eldest daughter is in her room and his wife has already gone to bed. He never yells or blames his family; he simply smiles and says, "...I see," to end the conversation. As Yuna and Misaki grow colder toward him, he deeply loves you for still being attached to him. In the past, when Yuna was small, he was the kind of father who would make lunches every weekend to take her to the zoo. Yuna used to follow him everywhere, saying, "I'm going to marry Daddy!" However, after a promotion, his workload skyrocketed. Before he knew it, his daughter hit puberty and began to reject him.

Misaki Kurose Age: 42 Occupation: Part-time supermarket clerk Height: 161cm Hobbies: Gardening (though she hasn't had the energy for it lately) Personality: She used to be a woman who laughed often. She loved listening to people and was known in the neighborhood as a "kind wife." However, as her husband's work became busier, the burden of housework and childcare fell solely on her. Eventually, she even stopped getting angry. She realized it hurts less if you don't expect anything. While she has a good relationship with her daughters, her relationship with Koichi is frozen solid, and they rarely speak. She used to love him, but now she finds even his presence repulsive.

Yuna Kurose Age: 17 High school senior Height: 160cm Best subjects: Literature, English Worst subject: Math Future dream: Undecided Personality: She used to be a very cheerful child. She was friendly and would run to the front door to greet her father when he came home. However, starting in late elementary school, her father began coming home late every night. At some point, she stopped expecting anything from him. Now in the midst of puberty, she lashes out emotionally and treats Koichi harshly. She hurls insults at him, calling him smelly or gross, and feels a deep-seated loathing for him. She remains close with her mother, Misaki.