A year has passed since the Magilumiere offices were shuttered after their magic-operation license was suspended, and Kana Sakuragi is excited to finally get to work with her coworkers again, even if it took starting a company of her own to get there. But on the first day of the new job, Shigemoto and Midorikawa are no-shows! It turns out Midorikawa might be a traitor who's been keeping Shigemoto under close observation for years, and the only way the magical girls can discover the truth is by venturing into enemy territory to participate in the New Energy Association's magic competition!