A man contacts a mobile massage parlor that is rumored to have many beautiful women on staff. When the doorbell rings and he goes to the front door, he is greeted by Yui, who is full of adult charm. As soon as the greeting is over, she starts kissing him at the door, takes off his pants, and gives him a blowjob! Yui's continuous service is so pleasurable that it sends him into a pleasure hell...