Hentai Manga author LuckyStripe got an animated version from the Studio Survive.

Sweet Rumi-Chan loved to answer all queries and help his uncle. And now many years later when she grew up and gained all the charm of an adult woman Rumi decided to help solve the problem of loneliness of his beloved uncle...

Year: 2016г.
Release date: 2016/01/08
Source: Original
Genre: Prostitution, Internal Cumshot, Blowjob, Incest, Tiny Breasts
Quality: WEB-720PX
language: RAW
English name: Ookiku Naare! ("Get Big!") (Motion Comic Version)
Original name: 大きくなあれ!～○熟なアタマのオトナ姪っ子～(モーションコミック版)

Director: survive
Studio: survive