She was one of many mates to Akakabuto.
Ginga: The Last Wars
She gave birth to sons during his reign and raised them away from him and the Ou Army to protect them.
After the death of Akakabuto, the dogs began to hunt down all the bears in the area, led by John. She was found by them and ordered her children to flee as she was killed. Monsoon himself was traumatized by the event as he fled and vowed revenge on the dogs, specifically John.