Oops! I Summoned a Demonic Merman: Witches Love Monsters, Book 1

One moment I'm within my domain in the abyss, and the next she's in front of me with a steam cleaner in her hand. Her name is Grace… but I'm in no threat of falling, feeling hexed… With her, I've ascended on land. Now she wants to get rid of me, saying I'm an accident.