The Islands Of Buzoku

On these close together islands there are 4 main tribes, the tribe of fangs ( Canines ) The tribe of Claws ( Felines ) The tribe of Feathers ( Winged animals ) and The tribe of Fins ( Sea life )
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This story is about a she-wolf named Kawa, from the Ice region in the Tribe of fangs. She is one of the offspring of the Tribe leader Hyouzan. She isn't the eldest nor the youngest, so she doesn't have anything special coming for her besides the fact she is one of the children of Hyouzan, and that she has her fathers speed and strength. Despite being one of the middle children and that she's female, she is the largest, nobody knows why. The tribes had peace with each other. The lands were plentiful with food and water, and everything was shared equally. Then one day, large black wings creatures that took shape of giant bird monsters appeared out of nowhere and invaded the islands, leaving what used to be bright green and vibrant colors to the grass were now dull and pale greenish/gray. The prey animals like deer, rabbits and mice, were growing deceased and the carcasses grew rotten quickly. the 4 animal tribes were quickly growing distant from each other, some even blamed the tribe of Feathers for it. Nobody knows why or how these creatures connect to the sudden cursed changes to their home, but Kawa vowed to her tribe and even the whole of Buzoku that she would find out.