Tomohiko Isomura

A teenage schoolgirl is kidnapped and taken to a cabin in the woods. Her unknown captor plays a sadistic game of cat-and-mouse with her, stalking her with a crossbow. When she is shot in the shoulder, her attacker patches her wound, and the game starts all over the next day. On the third day, she finds a road but is struck by a car. The couple in the vehicle decide to take the girl to a hospital but are delayed by a flat tire. In the meantime, the killer finds them and slays the man and woman. Once again, the girl is forced to flee.

The main character, Hanbei Hinata, who plays Mizutani, is a direct hatamoto guardian who guards Edo Castle. While working honestly on that mission, he became disgusted by a colleague who only thought about his career advancement, and soon he abandoned all his desires and began to think about a retired life