Katsuragi Chisato

Chiaki's sister who lives with her husband at her parents' home. Their marriage is going through a tough phase due to a lack of intimacy and her husband's failure to initiate it. Chisato is struggling to express her desires and is experiencing physical longing. She has a gentle and somewhat submissive personality and is self-conscious about her voluptuous body. Additionally, she is secretly concerned about not having children yet, which is adding to her emotional burden. Currently, her husband is away on a business trip.