https://www.dlsite.com/maniax/work/=/product_id/RJ337737.html
https://www.pixiv.net/en/users/4752417/artworks
https://twitter.com/ginhahaart
https://www.instagram.com/ginhahaarts/
https://www.patreon.com/hirani
https://gumroad.com/hiramaniart
This is part 7 of the series:

Part 1 can be found at https://e-hentai.org/g/1847593/4262b17b99/
Part 2 can be found at https://e-hentai.org/g/1981419/77fc99d5b1/ (Untranslated)
Part 3 can be found at https://e-hentai.org/g/1981421/ac046ce5d7/ (Untranslated)
Part 4 can be found at https://e-hentai.org/g/1919675/9313eb127f/
Part 5 can be found at https://e-hentai.org/g/1919691/077a2da31b/
Part 6 can be found at https://e-hentai.org/g/1946539/e70393bb40/
Part 8 can be found at https://e-hentai.org/g/2018435/7ac2faff3d/
Part 9 can be found at https://e-hentai.org/g/2041703/bd761e9ca2/