Close-up sex: immoral relationship between husband's boss and married woman

It has been six years since she married her older husband, and Aki has lost her husband and is becoming more lonely. One day, he is told that his boss, Sagawa, is also in the same situation as his wife. Then her husband fell asleep, and Sagawa, who was talking about this while drinking alone, couldn't help but hug Aki. It's been a while since Aki is hugged by a man, and although she hesitates to be a man other than her husband, her body reacts to her. Then, the two began having secret sexual intercourse on their days when their husbands were away...