Gumroad are be banning NSFW (Patreon)

Please check the files you purchased to avoid downloading them again.

Gumroad 將禁止裸露的內容
請檢查您購買的文件，以免無法再次下載。

Gumroad page: https://lionkinen.gumroad.com/

Gumroad about NSFW note: https://help.gumroad.com/article/156-gumroad-and-adult-content