That JAV

My parents were going on a trip for their wedding anniversary. As a ronin student, I naturally couldn't go along, so I ended up spending a week at my aunt's house in the countryside... I had been concentrating on my studies, hiding my feelings for my aunt Yuka, who had always been beautiful, but one day, while I was at home with Yuka, it suddenly started to rain. As I was hurriedly taking in the laundry in the pouring rain, Yuka's wet and transparent underwear appeared before my eyes...