एपि. 9: कुकु ज़ीरो से विवाह करने का प्रयास करता है, लेकिन ततो के हस्तक्षेप से पहले वह ज़ीरो और निना को जानवरों में बदल देता है।

Zero's fiancée Kuku comes and attempts to have him come back home and marry her. He refuses and after Kuku sees him and Nina together, she decides to cast a spell on him and Nina, turning them both into animals. Still refusing to marry her, Kuku decides to put a spell on the whole school until her partner Toto comes to stop her and tells her he has always loved her. (Source: Wikipedia)

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