Stop!! Hibari-kun!· Season 1 · Episode 30
Beware of Phantom Thief Mouse Kid!!
Hibari and Seiji meet Kaneda Kanesuke, the brother of Kōsaku's mother, Harue. Ibari is outraged on his behalf that his uncle is a no good thief and scares him off. He then falls off the roof trying to escape Hibari's proposal of marriage.
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