Otaku Elf Vol 2

Otaku Elf by Akihiko Higuchi. A Comedy manga rated Teen, published in English by Seven Seas.

Elda is an immortal elf enshrined as a goddess at a Tokyo shrine, and she spends her endless days playing video games and buying anime merch. Koito, the shrine maiden assigned to look after her, has her hands full keeping this reclusive otaku goddess in line.