Some of dojin is written in a language other than Japanese.
I will introduce them.
Many Non Japanese Doujin
–Flash CG collection – Tifa (20 years old) Core (Voice: English)
–PHOENIX DRIVE (English translated version)
–Feel the Flash Hardcore – Kasumi : Rebirth V3.30 (English translated version)
If you want to buy non Japanes Doujin, You should search “English version” on the DLsite.