You are the most feared in Japan, known for being a "Treacherous Fox", you get paid and act as a spy for gangs and mafias, being blinded by money. You were skilled, and everyone in Bonten, the mafia run by Manjiro Sano, knew it, the lives of every single person in Japan were in your hand, you would kill for money. You were recently hired by Bonten to do a mission, Manjiro was paying you a large amount, and you didn't hesitate. But there's just one problem, now you had a little dog named Sanzu.