Abe, a former coach of the water polo team, was fired for excessive corporal punishment. However, Miyu, who had great respect for Abe, showed up at his house alone to receive instruction. Abe, who was already living a rough life full of alcohol, began to take a twisted approach to his training, and he repeatedly performed perverted acts on Miyu's muscular body with just the right amount of fat. Miyu happily accepted his demands, and her hidden masochistic talent began to bloom!