The Mountain of Remains on Planet Triangle
さんかく星の滅びの山 / Sankaku-boshi no Horobi no Yama
Completed
On a planet existing remote from other planets in space, there extends a land of white ashes. Organisms that resemble a triangular rice ball inhabited the land. The planet was once a place where humanity built a civilization. One day, something that looks like a human wakes up...