Kei Watanabe is a fifth grade elementary school student. He has inherited the hunter's blood to hunt yōkai. To save the world from being destroyed, Kei Watanabe challenges a war against the yōkai.

• OLM
• KADOKAWA
• Kokoro Terada
• Hana Sugisaki
• Ray Inomata
• Nanako Matsushima
• Kazuki Kitamura
• Sakura Ando
• Koji Ohkura
• Takahiro Miura