Elf Ni Inmon O Tsukeru Hon 1 -

Could be a fan-made Tabletop RPG scenario book:

: Systems studied within the context of Inmon are often characterized by their ability to adapt and evolve in response to environmental changes. elf ni inmon o tsukeru hon 1

This mark has a corruptive effect, gradually consuming her body with pleasure and overwhelming her sanity. To recover the stolen treasures and find a way to lift the curse before she loses herself completely, Sylpha is forced to embark on a journey. Episode 1 Highlights Could be a fan-made Tabletop RPG scenario book: