The fairy (with the books on her head) in the gallery also has a bug on top. If you click on the fairy, the bug will bounce, and sometimes fly away. There has been a mini-game where some people see how many times they can click on the bug before it flies off (record on the Japanese Wiki seems to be 78 times).
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In the [[Library]], the fairy has a slug on top. The slug will bounce when clicked on, doing a small jump most of the time, and a large one a few times, all at random.
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*The fairy is visually annoyed by the slug's presence, and is fine when it does its large jump.
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*There is a mini-game consisting of seeing how many times one can make the slug do small jumps before it does a large one, as it is pure random (the record on the Japanese Wiki seems to be 78 times).