The Strange Club

(from ebookjapan):
Long ago, the earth was inhabited by two races, humans and demons. For a long time, the two races fought each other, but one day, an amicable truce was reached through discussions between the two races, putting an end to the conflict. The "demons" moved to the moon, which was created by shaving off about one-third of the earth's surface. However, after a long time passed again, disgruntled molecules appeared and ......! ("The Strange Club") synthetic humans, vampires, and corpses walking out of their graves ....... In addition to the title story, this collection contains seven other stories full of strangeness, pathos, and mystery!