Sui lives with her family of three. Her husband's declining health left her sexually frustrated, and for several years she's been having an affair with Hirai, her son's photography club advisor. Her childhood friend Ryo, aware of Sui's situation, accidentally captures photos of her walking with Hirai. Using the images as leverage, Ryo confesses his feelings to her and demands she become his photographic subject. Unable to resist, Sui ends up receiving creampie after creampie.