Professor Green, the school's nurse and leader of Kiraboshi's science division is determined to infatuate all guys of the school with the aid of a powerful love potion and her special ability of returning temporarily to a teenager state. After failing to capture Takuto's heart, she fights it out with him in Zero Space.

Having successfully managed to reactivate a broken Cybody, the Glittering Star uses the same process to repair Manticore's hoping to use its special ability to discover the identity of the West Maiden, but soon they find that maneuver a mistake when it escapes Marino's control and goes berserk.

Ryousuke Katashiro, Head's second in command, reminisces about his past with his former fiancee Sora and Head. Meanwhile, Ginta Ryo, another member of Glittering Star, uses his First Phase ability to spy on the island's inhabitants and find out why Head is unwilling to break the final seals so soon. He decides to challenge Takuto by himself, but not before have him poisoned by a snake.