There is a miasma in Nanze that persists all year round. All the beasts in the forest are eroded by the miasma and moan every day. Some people go into the forest at noon when the miasma is at its weakest and see a white-haired and silver-eyed monster that cannot see or speak, but can turn into a human form. People don't know what his original form is, so they call him a big monster...
Intention: write more relaxedly