Every weekend after drinking, she was seduced by her drunken female boss's alluring pantyhose on her way home, and then had an affair at a Friday karaoke party. (Yuka Mizuno ROE-321)

This company holds a weekly gathering called "Intimate Gathering." Yuuki, who recently transferred to the company, dislikes drinking and is depressed every weekend. His boss, Mizuno, bullies him by forcing him to attend a follow-up karaoke session. One weekend, when everyone mentioned karaoke, no one except Yuuki joined, leaving Yuuki and Mizuno alone. Yuuki wanted to leave immediately, but in that instant, Mizuno extended her shiny black toes towards Yuuki's crotch...