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 resented having his bed stolen from him, sneaks into the house and hides, doing whatever he wants.