As a married woman cooking researcher, she has a good reputation on the street, and takes advantage of her popularity to open a cooking class. Then, the male students rushed to see Ai's beauty and her plump body. One of them, Yamada, is such an avid fan that he takes videos during lectures. One day, when he returns to the classroom to pick up something he left behind, he accidentally witnesses Ai hugging another student. . Yamada, who just took a chance and took a picture of the foolishness that exposed the huge breasts, rushed to Ai's home at a later date.