Tatsumi, who had been working for a company that was on the verge of collapse due to poor performance, was invited by his former teacher Ayane to switch to a lingerie manufacturer. Having worked for her as her right-hand man during his student days, he still follows her orders... Ayane, who enjoys teasing and thrilling herself with Tatsumi regardless of whether he is at work, leaves him no choice but to comply. As the days go by, Tatsumi, while bewildered, continues to enjoy the increasing intensity of Ayane's guidance and the pleasure it brings...