Hatsu was an anthropomorphic cat gambler.
Hatsu ran a gambling gang in Niigata Prefecture. Hatsu's gang used weighted dice to cheat. This scheme was exposed by Miyamoto Usagi, and as a result Hatsu and his gang were run out of town by the townsfolk. The townsfolk then chased the other (more honest) gamblers out of town as well. As the other gamblers were irate with Hatsu, he decided to shift the blame to Usagi. The gamblers attacked Usagi at the Tako-Kichi Matsuri, and the ronin only escaped by flying away on an odako kite. The other gamblers soon learnt that Hatsu was lying, and Hatsu was forced to run away.