After two years of a careful relationship, Akira is suddenly dumped by his girlfriend, who claims he has poor erection performance. Heartbroken and unable to recover, Akira finally calls his understanding aunt, Kanae, for the first time in a while. He honestly confesses, "Actually, I've been having trouble getting hard, and that's why she broke up with me." That night, Kanae comes over to comfort him, marking their long-awaited reunion. Without much greeting, Kanae envelops Akira's crotch with her masterful techniques, gradually healing his wounded heart. A warm yet bold relationship begins to unfold.