Neko zamurai (2013-) 
A humorless samurai, nearly desperate for work, agrees to assassinate a goblin cat that is accused of possessing a man's soul.
Neko zamurai: Samurai Cat (both seasons) All Seasons
A humorless samurai, nearly desperate for work, agrees to assassinate a goblin cat that is accused of possessing a man's soul. (Japanese tv original, streaming on Amazon Prime) [more inside]