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Kodansha released a set of storybooks called Tezuka Osamu Anime Meisaku-shuu (Osamu Tezuka Anime Masterpiece Collection) which featured anime styled artwork versions of Osamu Tezuka's manga. Two of the volumes featured stories from Unico. Artwork was provided by Kazuo Tomizawa.
Title: ユニコ１ ほうきにのったねこ
Translation: Yuniko 1 - Houki ni Notta Neko / Unico 1 - The Cat on a Broomstick (vol. 8)
Published: June 14, 1985
Title: ユニコ 2 すてきなあくまくん
Translation: Yuniko 2 - Suteki na Akuma-kun / Unico 2 - Wonderful Akuma-kun (vol. 9)
Published: August 15, 1985