Sota Mizushino was watching the anime "Elemental Symphony of Vogelchevalier" in his room when suddenly, Selesia Upitiria, a character from the anime, and a mysterious girl dressed in a military uniform appear in his room. Sota gets caught in the middle of their battle and follows them to Yoyogi Park, where Meteora Österreich, a character from the game "AVALKEN of Reminisce", suddenly appears.

With Selesia and Meteora suffering critical wounds, the team is left in poor shape after their battle with Altair.

Souta deals with his feelings of guilt and regret for not being able to save Setsuna Shimazaki and vows to stop Altair. Altair is different from ordinary Creations: Altair's powers grow with each new spin-off story made about her, but Meteora's powers are limited to her character description. Meteora comes up with a plan to revise their character descriptions and get the support of the viewers.