A girl from modern day, is transported into the kingdom of Larson after being hit by a truck while trying to save a stray cat. She wakes up in the body of Maria Lwelin. Maria lives an ordinary life in the backwoods of the Larson Empire. She learns about her complicated relationship with her sister, and that she has the power to hear animal's thoughts and interact with them. Upon hearing that the emperor is seeking for a vet that can heal his pet panther, she jumps at the chance for adventure.