Elf Ni Inmon O Tsukeru Hon The Animation New !!link!!

Series like Isekai Maou to Shoukan Shoujo no Dorei Majutsu (How Not to Summon a Demon Lord) and Black Summoner have already explored similar concepts. “Elf ni Inmon o Tsukeru Hon” pushes this further, likely focusing on a single book or grimoire that teaches the art of applying such seals.