The timid boy lived with his aunt Anri Okita in a large house bought by his parents. They thought that the two of them would have a happy life together, but it was not the case. Aunt Okita is an extremely lascivious woman, knowing that her nephew has a big one, she demands the boy to suck it and serve her all day long. The two have sex with each other anytime, anywhere in the house. The poor innocent boy just obeys, giving all his young strength to satisfy the lustful nature of his lascivious aunt.