Adapted from the original work, Summer's Promise ~Summer Memories with My Sister~, Aoi SSNI-295

The best-selling doujin circle Slash's 3DCG manga "Summer Promise" has been adapted into a film featuring H-cup actress Aoi! A virgin's summer spent running around with her admired older sister. As her fantasies run wild, she demands her body... She uses her large breasts for breast play and wholeheartedly performs oral sex, driving the two aroused to even greater heights of passion!