Kogoro Tenzai

- a detective who is a descendent from a ninja clan
- he takes other jobs because his detective work has slowed
- Kogoro is a master of ninjutsu
- he is armed with a Nyoraitou which connects to another blade
- he also has concealed wire blades attached to his feet

Mii Kouryuji

- a high school student with a hot temper and a bit of a selfish personality
- she trained with a monk on how to use a giant gun called the Dragon Jewel and a the Purple Pot pistol
- she also has guns on her two boots, known as Tiger Heels.