Otaku Elf summary: Koito Koganei serves as a teenage shrine maiden at the Takamimi Shrine, catering to a centuries-old elf who is an avid gamer but detests going outside. To please the elf, who identifies as an otaku, one can supply energy drinks, chips, and video games, thereby witnessing the amusing spectacle of Koito and her comrades endeavoring to fulfill the elf's discerning preferences.