Free Download Kamoji-san's hair gets long. 3: They surely wanted it this way

A world where non-human "Characters" live after the extinction of the human race.
Raryo, the dog girl moves into Kamoji's house.
They dig for ancient relics in the desert where Human remains are excavated....
What came out of it was a mysterious machine that was of no use whatsoever: "Press a button and the thing on the screen moves".They stay up at night and wonder what Humans wanted them to do with this machine, a relic of Human that was extinct in the long past....

A post-apocalypse manga work, 45 pages of monochrome, in which the reader's familiar objects appear as [relics of the past].
It's a Japanese style Manga, goes from right to left.
This series is one complete story, and the stories are not consecutive, so you can enjoy the stories from this volume.