I traveled through hundreds of worlds at once

On an unknown mountain in the territory of Musashi Province.

A white-haired young man wearing a white hunting robe and a pair of black wings on his back was bathing in the full moon and playing a bamboo flute.

A melodious and peaceful flute sound that could calm people's mood resounded throughout the mountain.

The nocturnal animals in the deep mountains crawled between the mountains and forests, quietly listening to the melodious flute sound.

The chirping of insects at night also quieted down under the sound of the flute, and the whole mountain was harmonious like a fairyland on earth.

But the good times did not last long. The white-haired young man playing the flute had not finished playing a song.

Suddenly