Yuna, who works in sales of IT equipment for businesses, is timid and weak-willed. Her boss scolds her every day for her poor sales performance, and although she is fed up with it, she works hard. The reason why she is forcing herself to do such a job is that her fiance, Tetsugaku, was injured and unable to work, so she returned to her previous job to save up money for their wedding. Her boss, Takimoto, who had had his eye on Yuna since she worked there before, takes this opportunity to persistently pursue her and get her to go after his clients...