Natsuki Sasahara, a bounty hunter, is half human and half Nekomata (cat monster). In order to protect the laws and order of human beings and monsters, she fights against evil criminals as an employee of Police Company. One day she is fighting a criminal with her senior partner, Batanen Fujioka, but injures Fujioka by accident.
Natsuki has returned to work and has put in a lot of legwork on a stakeout to find outlaw Gyan and Ryudo. The team successfully completes their mission, but their moment of happiness is cut short when their reward for the arrest is taken away from them and their company goes bankrupt.
Natsuki and Sakura are forced to work as freelancers since their company went bankrupt. They capture criminal after criminal, but their teamwork does not reap any real profit because they do not have bounty hunter licenses.
