Maika is an introverted, masochistic girl who loves her boyfriend, but he frequently asks her to lend him money. Not wanting to be disliked for her money, Maika, encouraged by a friend, begins P-dating... At first, Maika feels aversion to older men, but she is instinctively drawn to their enormous penises, and her P-dating activities gradually escalate. One day, while her heart is wavering, she discovers that her boyfriend has betrayed her. Shocked and depressed, Maika heads with heavy steps to the home of her P-dating partner... Intimate sex, deep throating, masturbation, P-to-M, squirting orgasms, and continuous creampies... a total of seven ejaculations. This 190-minute story of the awakening of her sexual desires as she becomes obsessed with the large penis of the older man, even though she felt disgusted by him.