Maho decided to work at a soapland on behalf of her unreliable husband who earns and has no libido. Exactly two birds with one stone that can satisfy her own libido and earn money! If she's going to do it anyway, she's aiming for a signboard soap lady, and she's enthusiastic. She has been living with her husband until now, but Maho's body is completely erotic due to her long years of sexlessness. On top of that, she has the handicap of being inexperienced. In order to overcome this high wall and become the number one soap lady, Maho uses her son as a practice table.
