Soulmates found one story at a time.

Brownies are household sprites happy to clean and run errands in exchange for honey and milk. 

Child-sized, and child-like in temperament (no matter their age), they have wrinkled skin, and messy hair, although their clothes are always neat.

They are mischievous and love to play pranks. If taken for granted or treated poorly, they can turn into boggarts