While her parents are away, "Nozomi" finds herself alone with her beloved and admired older brother. As a natural masochist, the younger sister eagerly submits to her brother's every command, delighting in his domination. From morning on, they secretly indulge in passionate sex. Her perky, sensitive nipples are tugged and teased mercilessly, driving her to overwhelming pleasure. Unable to withstand the intense stimulation, she repeatedly reaches climax after climax. Begging her brother, "Fill me up inside with even more!", she craves even stronger ecstasy. Their forbidden, intimate bond grows ever deeper.