During the 20th century, Invertia caused widespread destruction to numerous cities globally. However, the aftermath paved the way for the discovery of a revolutionary element, mana. The introduction of the Star Pulse Generation, an extraordinary group of humans, also occurred during this period. Now, in the present day, the remarkable Festas are held in Rikka, a prosperous academy city surrounded by six educational institutions that each sit on the water's edge. This event, also known as Asterisk, is the world's most extensive battle competition. Determined to fight in this city, Ayato Amagiri, a scholarship student at Seidoukan Academy, goes above and beyond to put his soul into the battle. As the school battle spectacle commences, the world eagerly anticipates the rise of the curtain!