Where is the Wizard?

“Now then, it’s time for some fun.”
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In a world full of mystical powers, Princess Iris was in love with Zeno, the Great Wizard who was transformed into a rabbit in the aftermath of the battle against the Demon Lord. One day, in light of an incoming marriage proposal, Iris decided to confess to Zeno. At first, Zeno was confused, but then he realized that Iris was serious, so he told her to come to his room the next night. On the promised night, what was in Zeno's room?
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(Source: Mediasoft, translated)