You're so Cute, My Cat Has Turned into a Demon

This is a story that an ordinary exorcist accidentally created when summoning a demon servant... … Half a century ago, rifts in global space and time emerged, demons came to the world, all life was in ruins, and mankind fell into an unprecedented crisis... There are monsters, demons, and tricks... Similarly, the ancient inheritance of humans on earth has also recovered strongly, and further developed various major cultivation systems and professions...