Ottonojyosito Hitozumano Kankei(2019)

Six years after marrying her older husband, Aki, who had no relationship with her husband, was becoming more and more lonely. She says that one day, her husband's boss brings her to Sagawa, and she is in the same situation as Aki. While her husband was drunk and asleep, Sagawa unintentionally hugged Aki, and Aki, who was hugged by a man for a long time, hesitated, but her body reacted, avoiding her husband's eyes, and the two repeated secret sex