Days of enthusiasm with an affair with a married woman at work

Kawakami, who joined the new part-time job, looks younger, but he is 10 years older than me and is married. We went out drinking with my husband and her girlfriend who seemed to be in a cold war, but when neither of us invited us, we ended up having an affair. We both came to our senses after we left our alcohol and we couldn't control our sexual desires, which had once been ignited, and then we had sex over and over again. It's not enough to just do it at home, so they secretly stack their bodies in the toilet or in the backyard of the store. Seo-jun, a part-time worker, seems to be beginning to realize what we are, but even so, he hasn't been able to break his affair with Kawakami...