An unemployed man gets his wallet stolen by a cat and illegally enters a home to get it. "Tricks" the owner of the home by saying he's a cat. The two play along with it until the house owner, Yamato, wants a more serious relationship. The two end up together and the unemployed man reveals that his name is Ryoji not "Kotarou" the cat. Interesting...
Dorobou Neko ni wa Nusumenai