So... is Nagagutsu wo Haita Neko no Bouken finished or not?
NO, it is not finished.
Why?
MangaUpdates contains information about the anime adaptation and indicates that it is incomplete.
Watching Order (by release date)
Here you have all the anime relations we detected ordered by release date, so you can see the reason for this status in context and also use it as watching order.
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Synopsis
This anime tells the story of Puss in Boots, adapting the classic fairy tale by Charles Perrault.
It follows the adventures of a clever and resourceful cat who, donning a pair of boots, sets out to make his master's fortune.
Expect a journey filled with wit, cunning schemes, and encounters with various characters as Puss uses his intelligence to navigate challenges and ultimately improve his master's standing in the world.