By placing a hefty reward on the killer of his son, Boss Bakuchi had hoped to find vengeance and prove his might. Little did he know the swordswoman Inazuma is now possessed by Jei the Black Soul, and the bounty hunters on her trail face otherworldly peril!

With each passing hour, these bounty hunters, including Gen and Stray Dog, get closer to Inazuma. But they are not the only ones in pursuit of her. As the rabbit ronin Usagi approaches, he must make a fateful choice: Inazuma once saved him, so Usagi owes her a debt of honor. Yet is that debt still owed now that she is possessed by a homicidal demon?