だらしない性格の爆乳叔母さんと、むせ返るようなゴミ部屋で1週間ヤリまくったー。

Kousuke has to stay in Tokyo to take his university exams, so he temporarily moves into his Aunt Sayama Ai’s house. However, he is surprised to find that she is a lazy woman living in nearly hobo-like conditions. Despite this, Aunt Ai remains an incredibly seductive woman, who is in full-blown heat.