CRiTORA takes place in a digital city called CRiTOPiA, which is inhabited by virtual creatures called CRiTORA. However, the CRiTORA have a common enemy: The ViRUSES, led by the hazardous Queen Creatophage, who want to take over CRiTOPiA and infect the CRiTORA to do their bidding.

This a new version of the CRiTORA: Abnormal side series.