In the 2030s, virtual reality has spread across the world thanks to mimi, a VR network device, and one of the most popular experiences on it is the online game Legends of Astrum. Fiore Storia is a single-episode fantasy ONA from the Princess Connect! franchise, mixing action, adventure and comedy. A shorter cut first premiered at Priconne Fes 2025 on February 9, 2025, and a complete version with extra scenes arrived on February 28, 2025.