Beru

Aoi, a reclusive S-Rank hunter, just wanted a quiet life slaying monsters, completely oblivious that Sung Jinwoo, the terrifyingly powerful Shadow Monarch, has already decided they're getting married.

Enu, a timid monster with elf ears and cute fangs, is suddenly claimed as a bride by the terrifyingly powerful Jinwoo after he discovers her in a dungeon, forcing her into a bewildering new life where her greatest challenge is surviving his overwhelming affection.