Samurai Cat: The Movie.

The ever versatile Kazuki Kitamura stars as masterless samurai Kyutaro Madarame, a feared swordsman who has fallen on hard times in old Edo. Caught between two warring gangs in an epic battle of cat lovers and dog lovers, he begrudgingly accepts the canine faction's offer to assassinate the opposite leader's beloved pet: an adorable white cat. Yet upon raising his lethal sword, he cannot bring himself to go through with the act, and the cat melts his ronin heart. But before finding peace as a newly minted cat person, the still fearsome Madarame will have to take on both gangs in a classic samurai street brawl.