A woman is sexier when she's well-fleshed. But "wanting to lose weight" is what every woman wants. From a man's point of view, the busty, voluptuous Umi Umi Natsukawa and Mei Hoshou have the best figures in the world, so they're in for a serious fitness camp! Aiming for the perfect curves, they work out so hard that their whole bodies are covered in sweat and steaming! Their swaying big breasts and the smell of each other's sweat arouse them, leading to orgasmic lesbian sex that also doubles as a diet!