He ends up living with his girlfriend, Sumire, and decides to buy a house to show off. Her income did not allow her to buy a nice house, but she was filled with hope that she would be able to live happily with the pure and kind Sumire. However, in reality, vagrants had taken up residence there while the house was vacant. The vagrant, who resents having his bed stolen from him, sneaks into the house and hides, doing whatever he wants. Then, when he puts a vicious sleeping pill with an aphrodisiac effect into his drink, he rapes his girlfriend Sumire in her sleep. Her new pussy was so tight that even mine couldn't fit inside it, but thanks to the aphrodisiac and sticky torture, it expanded enough to accept the tramp's big dick...