Always diligent at work and with an outstanding style, the beautiful female boss 'Yurika Hiyama'. One night, Yurika, fulfilling her duty as a superior, invites a subordinate who missed the last train due to entertaining clients, 'Is your home far? Then... you can stay at my place.' The subordinate, who respected her as a boss but never thought of her as a woman, agrees to stay as she suggests. However... upon arriving at her home, Yurika deliberately unbuttons her shirt, showing off her cleavage and begins to seduce the subordinate. Despite the subordinate's confusion at this unexpected behavior... there's no way to resist the fully lewd mode Yurika, and they both dive into sex driven by their desires. The next morning, the man, unable to calm down from the contrast between Yurika's demeanor at the company and the night before, starts seeking her out again, and the two skip work to engage in intense, repeated sex all day long...