(from ebookjapan):
Highly intelligent birds have exterminated humans and become the rulers of the earth!
However, the bird society that was born to correct the evolutionary distortion on the earth is not an ideal world, and it soon begins follow the same path as human society.
What will become of the decadent avian society...?!
Also contains the Otona Manga (Adult Manga) "The Story of Fumbling Animals".
Licensed in English by Ablaze as "Tomorrow the Birds".
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**Volumes 94 and 95 of the Osamu Tezuka Complete Works**