After the 'Continent's Dropping' incident, Yumemi, haunted by her ability to see the world above, navigates the challenges of middle school life. Meanwhile, unbeknownst to humanity, the world of Akuto faces ongoing warfare. Gaz enlists Munto to seek out the 'Girl of Destiny' on Earth to prevent Heaven's collapse. Yumemi is thrust into a pivotal role where she must confront her unique perspective, with her friends Ichiko and Suzune unable to offer assistance.