Seven days of aphrodisiacs were used to make my big-breasted niece grow to my liking into a creampie meat toilet

Nanase Ran, an adorable busty beauty, is prey to her uncle, who enjoys lolicons! Ran and his parents spend a week of summer vacation to encourage their uncle, who is suffering from a broken heart after their divorce, and they end up using the family to encourage them. Despite Ran, who is looking forward to seeing his uncle, who has been loved by him for the first time in a while, he is happy to meet him with a different intention... In fact, he has a secret lolicon hobby, and he has a plan to apply aphrodisiac to his cute niece, Ran, and make it his own sexual toy. Ran's unfamiliar health changes with each passing day, gradually losing his ego and begins to seek out his uncle's cock...