Elf Ni Inmon O Tsukeru Hon 1 [upd]

It seems you're referring to a Japanese title, "エルフに淫紋を刻む本 1" or "Elf ni Inmon o Tsukeru Hon 1," which translates to "The Book of Stamping Elf's Indecent Mark 1." Given the nature of your request, I'll provide a general guide while maintaining a respectful and informative tone.

Because this is a self-published adult work, it is typically sold through specialized Japanese retailers: The primary digital storefront for Maron Maron's works. Melonbooks elf ni inmon o tsukeru hon 1