Mr. Suehiro, who had just joined as a part-timer, looked young, but he was four years older than me and already had a family. We went drinking with her, who seemed to be on bad terms with her husband, and we hit it off, and ended up having an affair without any invitation. Even after the alcohol had run out and both of us sobered up, the sexual desire that had once flared up could not be suppressed, and they had sex many times after that. Just doing it at home was not enough, so we secretly overlapped even in the backyard of the store. My part-timer Rin seemed to have started to notice our relationship, but I still couldn't cut off my relationship with Mr. Suehiro...