The phenomenon known as "Dreamfall" occurs when people who have lost their positive spirit have their souls sucked into the magical world of Holocast. The damage caused by the monsters, "Collapsers," born from this phenomenon was spreading. To defeat the 'Collapsers' and rescue those who have fallen into 'Dreamfall', popular 'HoloCast' streamers Amane Kanata, Sakura Miko, Himemori Luna, Takarajima Marin, Shizaki Shion, and Sakasaka Kuroe transform into magical girls known as 'HoloWitch' and embark on a daily battle! The story of these magical girls delivering dreams and hope to people begins.