The adorable big-breasted beauty, Nanase Ran-chan, becomes the prey of her uncle with a lolicon fetish! To cheer up her uncle who is heartbroken from his divorce, Ran and her parents decide to visit him during their summer vacation. While Ran looks forward to seeing her uncle whom she hasn't seen in a while and who used to dote on her, her uncle has different intentions... He secretly has a lolicon fetish and plots to drug his cute niece Ran to make her his personal sex toy. Unaware of anything, Ran's condition changes day by day, gradually losing her self-control and starting to crave her uncle's dick.
