SSIS-373 In the summer in the countryside, there is no sex, so Kaworu Yasui seduces the big-breasted girl next door and has sweaty sex every day.

Since his parents are not in Japan due to overseas assignments, Haruma, a young student, is left with relatives in the countryside during summer vacation. - There, he reunites with his first love and childhood friend, older sister Kaworu, for the first time in many years. - Kaworu has now become a fully grown woman. - She seduces Haruma with her breasts wet with sweat from the hot summer and her lustful gaze. - Then one day, she suddenly told me, ``If you're a virgin, I'll take it away from you.'' - On a summer vacation in the countryside with no friends, I was drenched in sweat and having sex with the big-breasted H-cup girl next to me.