At this company, there was a drinking party called a bonding event every weekend. Recently transferred Kei Shikiya, who dislikes drinking scenes, always felt gloomy on weekends and was forcibly taken to karaoke for the after-party by his boss Mizuno in a power-harassing manner... One such weekend, when the topic turned to karaoke as usual, surprisingly everyone except Shikiya opted out, leaving him alone with Mizuno. Shikiya thought about going home right away, but at that moment, Mizuno stretched her glossy black toes towards Shikiya's crotch…
