Two years into her marriage, Mizuki's husband, who works for a major trading company, is a sincere and kind man. However, Mizuki is often on business trips and has a lot of free time, so by chance she ends up having a relationship with Miyata, who lives nearby. She feels guilty about her husband, but she finds herself addicted to Miyata's persistent kisses and his perfectly matched cock. The sex the morning after staying over at Miyata's house was especially special. After seeing her husband off on another business trip today, Mizuki prepares for the night, hoping for morning sex with Miyata...