As preparations begin for Seishou Music Academy's yearly Seishou Festival, the girls of the 99th class are gearing up to perform their very own rendition of Starlight, the tragic tale of two goddesses drawn together by the glow of the heavens but destined to be pulled apart, never to meet again. Created to foster the next generation of theatrical talent, this girls' only school works to improve the singing, acting, and dancing skills of its students. One student is 16-year-old Karen Aijou, an easygoing girl who has dreamed of performing on stage since she was a child. Her love for theater is further invigorated when her childhood friend Hikari Kagura transfers to Seishou Academy. Through her old friend, Karen stumbles upon a secret elevator leading to a massive theater underneath the school. Hosted by a talking giraffe, this arena serves as a battleground where her classmates participate in duels to determine who among them deserves the title of Top Star, earning them the right to play one of the lead roles in Starlight. Emboldened by the promise she made with Hikari to someday be stars together, Karen enters these mysterious battles in the hopes of making their dream a reality.

Tuğrul Mahmut is a young pasha serving on the Divan of the Türkiye Stratocracy. The clouds of war are gathering over his country due to the threat of an aggressive Empire. With the Divan split between warmongers and the pacifists, Mahmut begins his quest to keep the peace at any cost. As he finds himself deeper and deeper in the politics of the ancient world, new enemies and allies surface. Who will prevail? What will Mahmut do if war proves to be inevitable?

One day, a city suddenly disappears. Takuya, a professional by-the-contract courier and lone wolf, meets Yuki, the only survivor from the city's extinction. The two rely on a message from Yuki's father, who was heard to be missing, and head toward the disappeared city, Lost. However, unexpected obstacles strike before the pair, with the reality especially shocking for Yuki. Before them are the feelings of those left behind, a mysterious group manipulating in the shadows, and unveiling the hidden conspiracy. Takuya and Yuki, who both were initially strangers, would deepen their bond during the journey and unravel the mystery of the Lost city. (Source: MAL News)

With the arrival of a new generation of talented girls, another lively year at Seishou Music Academy begins. The graduating 99th class is already preparing for the much-anticipated rendition of Starlight, a bittersweet story about the parting of two girls. It seems like all students in the Actor Training Department have their post-graduation future figured out—except for the cheerful Karen Aijou. Having fulfilled her promise of performing in a play with Hikari Kagura, her ambitious childhood friend, Karen struggles to find her purpose. What lies beyond their promise is a mystery to Karen, as Hikari was the fuel that kept her passion for performing aflame. Now alone, Karen must confront the reality of stage girls and find her way toward the future—her very own stage.