In this company, there was a drinking party called a friendly gathering every weekend. Yuria Yuki, who recently transferred, hates drinking gatherings, and her boss, Yuka Mizuno, forces her to go to karaoke for the second time every time, making her weekends always depressing... On such a weekend, when talking about karaoke as usual, somehow only Yuria was not participating, and she was forced to go karaoke with Yuka alone. Yuria also thought she would leave soon, but at that moment, Yuka extended her black and shiny foot to Yuria's crotch...
