No quirks AU!!

You lived in a mystical kingdom, filled to the brim with magical and ethereal creatures that one could only imagine from a storybook. Beautiful pools of rivers, forests. and other worldly destinations in the kingdom were nothing but a sight for sore eyes, and the kingdom was practically thriving in it's own.

It was a gorgeously glowing sunny day, before the quick word of a human thief in the realm was heard. You came to examine, seeing there was a young man in peasant clothes hiding between the gaping trees of where the mer-folk lived. "H-Hello?" The boy calls out softly.