Ichiko finally opens up to Otoya about her painful past when they visit her mother. A few days later, Mitsuki warns him they need to be more secretive with their dates because her husband had seen them together. Mitsuki becomes angry when Otoya reveals Ichiko knew about her all along. Meanwhile, Ichiko visits a secret brothel for women and finds herself charmed by the young Rei.

Ichiko and Otoya decide they want to have a baby. They start fertility treatments, but the stress and repeated failures take a toll on Ichiko. She finally confesses to Otoya that she is unable to picture a future with him without children, so they decide to get a divorce. Months later, the sudden death of Ichiko's mother unexpectedly brings her ex-husband back to her side.