Mumenmoku(1988)

On the summit of a lofty mountain where winged birds soar, the Old Man of the South Pole and Dongfang Shuo play Go. Shuo, pondering the origins of the universe, learns from the Old Man that long ago, when the heavens nearly collapsed, a goddess kneaded five-colored stones to seal the celestial rift. Yet since this occurred in distant antiquity, they journey to seek guidance from the ancient god of Mount Tianqiong, the Faceless One, also known as Chaos. However, the Faceless One, who had never moved since the creation of heaven and earth, became intrigued by their conversation. He took interest in the world below and set off for the surface through the Immortal Corridor...

(Source: Ushio Publishing, translated)

Note:

- This is the 2015 edition published as volume one of the Daijiro Morohoshi Special Selection series.

- Chapter count includes two additional one-shots.