The story revolves around a young Japanese woman named Mai who is known for her voluptuous figure and stunning beauty. Despite her looks, she feels self-conscious about being slightly chubby. She meets a man who promises to make her feel sexy again.
As they engage in passionate sex, Mai experiences an intense orgasm for the first time, breaking through her inhibitions. The man admires her busty figure and encourages her to embrace it. Afterward, as he is about to cum inside her, she panics thinking about the mess it will create.
They engage in a heated argument about whether or not he should pull out. In the heat of the moment, he continues and eventually releases inside her. Initially distraught at the thought of cleaning up his "creampie," she realizes that it was worth it for the intense connection they shared. They both climax and collapse onto the bed, basking in the afterglow of their passionate encounter.
