Invasion of the Apes

Synopsis

The year was 1783. While the rest of the nation was suffering from a drought, Kai's village in the mountain fared better than most by hunting animals. But one day, a man who was lost in the mountains came to his village. Kai is suspicious of this man who refuses to make eye contact, but invites him as a guest in his home anyway. That night, more uninvited guests come to the village... (Source: Coamix)

Anime adaptations