While their house is being remodeled, a father and his son are staying at the home of the father's sister. Since the father's sister is hospitalized, they have to live together with her three daughters in a six-mat room. However, living in such a small space with six people means constantly brushing up against the soft, ample breasts and butts of the three busty sisters, making it hard not to get aroused. Before long, the lecherous trio starts secretly seducing them…
