Ai, who has a reputation on the streets as a married woman cooking expert, takes advantage of her popularity and starts a cooking class. Then, male students flock to her, eager to see Ai's beauty and her voluptuous body... One of them, Yamada, is such an ardent fan that he records videos during the lectures. One day, he forgets something after class and returns to the classroom to get it, and accidentally witnesses Ai having sex with another student. Seizing the opportunity, Yamada records the indecent act of Ai unashamedly exposing her huge breasts, and later shows up at Ai's house...