Having toppled another powerful foe, Satou's group returns to the Labyrinth City to celebrate, and there, he is greeted by a couple familiar faces. Zena and Karina have come to Celivera Plans are swiftly made, including a sightseeing tour and a tea party, but they get put on hold when Zena runs into trouble Her labyrinth dive took a turn for the worse when a monster kidnapped her, so Satou rushes in to save her, and ends up finding much more than he bargained for It seems a Hero's work is never done...