A perverted store manager who targets a naive big-breasted woman who has never even had a part-time job before! At the office! In a delivery truck! Even at the client's home... he sexually harasses her by groping her breasts while pretending to be instructing her! Taking advantage of her personality, which makes her unable to speak out forcefully, his brutality escalates! Breast embarrassment at work! Furthermore, she is asked to give a blowjob, a titty fuck... and even to have sex!