Erotic Apartment Wife: Double Fainting

Original title: 色情団地妻 ダブル失神

Yumiko lives with her son and former boxer Keigo, and is on good terms with her neighbor Ryoko. Ryoko is having an affair with aspiring novelist Mukai, but it seems to be approved by her husband. One day, by chance, Yumiko and Mukai end up having sex...