This is a wholesome slice-of-life fantasy. It falls squarely into the dark adult genre (think Kuroinu or Taimanin vibes, but with a heavier focus on the occult/marking aspect).
Every now and then, a title emerges from the dark fantasy/adult anime scene that raises eyebrows—not just for its explicit content, but for its narrative premise. Elf ni Inmon o Tsukeru Hon The Animation 1 Hot (roughly “The Book of Applying Cursed Seals to Elves”) is one such OVA. Based on a doujin or light novel series, this first episode (“Hot”) sets a troubling but compelling stage. elf ni inmon o tsukeru hon the animation 1 hot
The story begins with the fall of the elven village and the loss of its most precious items. This is a wholesome slice-of-life fantasy