Nahoko Uehashi

Erin is a 10-year-old girl living with her mother Soyon at the Ake village, a region that is mainly known for breeding Touda, a species of giant lizards used for war. Following the example of her mother, Erin lives a quiet and peaceful life in contact with nature and grows observing animals and learning about their breeding. One day a grave incident happens at the village. Soyon is found guilty and severely punished, and Erin finds herself unable to return home.

A mysterious spear-wielding woman named Balsa arrives in the New Yogo Kingdom. After saving Prince Chagum from a thinly veiled assassination attempt, ordered by his own father, Balsa is tasked to protect him from his father. (imdb)