Always diligent at work and stylishly beautiful, the female boss 'Yurika Hiyamayuri'. One night, Yurika offers to let a subordinate who missed the last train due to entertaining clients stay at her place. The subordinate, who had only respected Yurika as a superior and never thought of her as a woman, agrees without question. However, upon arriving home, Yurika unbuttons her shirt and deliberately shows off her cleavage, beginning to seduce him. Caught off guard by this unexpected behavior, the subordinate is nonetheless powerless against Yurika in full 'syaffu' mode, and they plunge into sex driven by desire. The next morning, the man's excitement doesn't subside due to the gap between Yurika's demeanor at work and last night, and he starts pursuing her again. They take the day off from work and have sex repeatedly throughout the day...
