A world where the magical world of "Holocast World" exists. A "Dream-Ending" phenomenon occurs when people who have lost their positive attitude have their souls sucked into the "Holocast World". This creates monsters called "Collapsers". In order to defeat the "Collapsers" and save the people who have "Dream-Ending", the protagonists transform into magical girls "Holowitches" and spend their days fighting. The story of magical girls who deliver dreams and hope to people begins.