Informations:

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Akahon Manga volumes
[1948] Yukai na Nakama 1 - ① (Hibari Shobô)
[1949] Yukai na Nakama 2 - ② (Hibari Shobô)

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Manga volumes released (except kashihon)
[1948] Yukai na Nakama 1 - ゆかいななかま ① - (Hibari Shobô, Japanese)
[1949] Yukai na Nakama 2 - ゆかいななかま ② - (Hibari Shobô, Japanese)

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