Mafu, who runs a cooking class at home. She was a woman who made gorgeous dishes, but her husband, who is a picky eater and a bit of a mama's boy, always eats convenience store bentos with a dissatisfied look... Mafu felt emptiness in a life without even meals as a couple, but her only outlet was interacting with her students. One day, she was invited to a meal at a famous restaurant by one of her students! When she went to the store with her heart pounding on the day, waiting for her was a young man who looked good with a children's lunch!? She ended up having sex with him after being begged... This young man is not normal!!