Hello,
Thank you for your message.
About Doujinshi and Hentai Comics, please check out Doujin Republic.
https://doujinrepublic.com/product/text_search.html?type=header&adult=&q=Futanari+no+Elf
If you can't find what you are looking for, please use this page.
https://doujinrepublic.com/bulletinboard/list.html
Please feel free to ask if you have any questions.
Best Regards,
Yamamoto
