Get ready for a thrilling dark magical girl fantasy adventure with action, reverse harem romance, and unexpected twists! Follow demon princess Penumbra Rainvein as she navigates a journey to track down her lost harem and reclaim her throne, unraveling a conspiracy that spans thousands of years along the way. Rainfall Anamnesia is sure to keep you on the edge of your seat and craving more with its genre-defying plot and Cloudburst Edition bonus content.