After the Global Synchronic Urban Disappearance altered Ikebukuro, ushering in chaos and mysterious Auroras, high schooler Seria Morino is captivated by idol Izumi Hinazaki's performance using the groundbreaking 'Super Material Theater.' Inspired to become an idol herself, Seria is scouted by Kaoru Sakakibara, director of the renowned Alice in Theater where Izumi once belonged. Determined to chase her aspirations, Seria joins the troupe and is greeted warmly by a group of enthusiastic girls with a shared love for acting. Yet, beneath this welcoming facade, hints of unsettling mysteries linger...