Paw pads wrapped in white fur. Fluffiness around the neck. A bushy tail. A rounded figure that was the very definition of fur ball! ――A certain Japanese girl had been reincarnated into such a fox cub; Milfiria.
Milfiria was told to watch the house by her mother, as the mother left for the capital. However, unable to bear with the loneliness and deciding to chase her mother to the capital, Milfiria became lost in a fort protected by strong knights.

Raising the curtains of a fantasy parallel world are the strongest dragon clan and the weakest girl!
Working under a certain feudal Lord, Haru is very ordinary and lives a normal life.
However, the jewel in the ring her late mother had left her can only be found in the dragon country - it’s an extremely rare thing. After finding that out, her life completely changes.
She picked up a baby dragon, and a mysterious man wearing black clothes appeared after. What will happen to Haru’s ordinary life?!