In 1941, one year after the defeat of Sotetsu Genan, captain Seijuurou Kamiyama of the Imperial Combat Revue's Flower Division in Tokyo leaves on a secret mission, with Sakura Amamiya temporarily assuming command. Following an incident in Europe, Kamiyama takes a young Russian girl named Klara M. Ruzhkova and leaves her in the Flower Division's care. However, Moscow Combat Revue captain Valery Kaminski is sent to Tokyo to retrieve Klara and the Flower Division must stop him. (Source: Wikipedia, edited)

Five years ago, a mysterious phenomenon known as the Global Synchronic Urban Disappearance caused a large chunk of Ikebukuro to disappear overnight. Following the catastrophe, the inhabitants found themselves thrown into a state of disorder, and unexplained electromagnetic anomalies called Auroras began to be sighted. Awed by the performance of idol Izumi Hinazaki at a play utilizing the Super Material Theater, a stage designed to revitalize Ikebukuro through hologram-enhanced plays, high school student Seria Morino is inspired to become an idol. Shortly afterward, she is scouted by a young woman named Kaoru Sakakibara, who turns out to be the director of Alice in Theater—the troupe that Izumi used to be a part of. Aiming to pursue her dreams, Seria decides to follow Kaoru and joins Alice in Theater. Upon arriving at their establishment, she is cordially welcomed by a group of young and friendly girls who are all very passionate about acting. However, something seems to be amiss…

In the 20th century, the world is experiencing a musical theater boom. Top performers known as Dai Stars enthrall the audience with their marvelous acting and singing. Among them, the greatest performers are given the title World Dai Star. Young and inexperienced Kokona Ootori dreams of being recognized as a World Dai Star. After multiple failures, she finally gets another chance to audition for the world-renowned theater troupe Sirius. Inspired by her best friend Shizuka, Kokona takes the first steps toward her goal and works hard to improve her acting. However, the world of theater is fiercely competitive, as many other girls seek the spotlight—including Kathrina Griebel, a talented performer from Germany. In order to fulfill her dream, Kokona needs to earn the right to stand on stage above all else.

Aiming to become a modeling artist, Itsuki, a childhood friend of Ichitaka who went to America has come back to Japan. Iori who refused the idol path and started to pursue her ambition to become an actress instead. Ichitaka, wandering on his bicycle alone, tries to decide his choice between the two persons. (Source: AnimeNfo)