A story of Ririka Nakamura enjoying a hot spring date with a married woman she met at a mixer last Christmas. Her husband shows no interest in her, not even during the holidays, leaving Ririka feeling lonely and attending the event at her friend's invitation. Three years into marriage, her relationship with her husband grows colder each day. With almost no time to fulfill herself, she begins regretting her decision to marry. Driven by instinct, she gradually frees her mind and body at a hot spring inn.
Tsubasa Haneda married her husband after a surprise pregnancy during her time as a hostess. Overwhelmed by childcare and now expecting a second child, she has no time for herself, constantly devoting her life to her kids. Though she longs for a break, her husband refuses to help with parenting—coming home from work only to obsess over stock trading, and spending weekends out playing golf. Trapped in this lifestyle, she begins indulging in simulated romance with strangers through an affair website.