Shiori is a married woman, but is currently separated from her husband. She is interested in Koyuru, an office lady she met at the swimming club. Shiori is 30 years old. She is a married woman, but is currently separated from her husband. She is actually bisexual. She is increasingly interested in Koyuru, a 24-year-old office lady she met at the swimming club, which is her hobby. After hanging out a few times, she finds out that Koyuru doesn't have a boyfriend at the moment. She invites Koyuru, who wants to learn how to cook, to her house today. The excuse is that she's going to teach her how to cook, but she has an ulterior motive of attacking her if she's lucky.