Takeshi is a virgin who has recently started to become interested in girls. Before getting a girlfriend, he goes to a soapland for the first time in his life to get used to it... But Takeshi is so nervous and excited that his mother appears in front of him in a flashy dress! Mother and son are confused by this unexpected situation. But as time passes and he hears why his mother is working at a soapland, Takeshi decides to lose his virginity to his mother...