Idol × Warrior Miracle Tunes! - Season 1 Episode 41 The Demon King Appears! The Greatest Crisis
Overview: Miracle² celebrates Fuka's birthday. While practicing in the park, the Demon King appears in the real world via Komuragaeri's invention, spreading an intense Negative Aura. Miracle Tunes use Final Mode to defeat him, but he reappears behind them to steal Kanon's Crystal Jewel and shoot her with a ray of Negative Aura.