Mr. Tachibana, who joined as a new part-timer, looks young, but he is 10 years older than me and married.Her husband seems to be having a fight with her, and we go to her drinking and hit it off.Even when the alcohol was gone and both of them returned to their senses, the libido that was once ignited could not be suppressed, and after that they had sex many times.It's not enough to just do it at home, so we secretly overlap our bodies in the store's toilet and backyard.Her part-time jobmate Rin seems to be starting to notice our relationship, but even so she can't cut off her affair with Mr. Tachibana...