Naoko is a modest, earnest, and highly trusted accountant in the company. She has never heard of any rumors of affairs, but one day a male employee accidentally witnesses her having an affair in the office while working overtime. The man, who had been eyeing Naoko for some time, threatens to expose the affair, and makes her do as he pleases, playing with her body wherever he pleases. Naoko gradually becomes excited by being treated like a sex toy...