Background introduction (In 20xx, mystery and weirdness descended. Along with the appearance of bizarre and weird creatures, normal life was gone forever. Weirdness took on the weird characteristics of natural creatures. As the weirdness descended, 78 empty card slots appeared all over the world, suspected of being an altar. Such a building appears on the surface. The protagonist is an ordinary college student whose only hobby is tarot cards. However, all of them were destroyed in this disaster, leaving only one tarot card. In this way, the protagonist embarks on a wonderful and strange world to survive until the strangeness is eliminated.
