Yasuhiro Takato

The Great Kanto Desert is a miserable place with temperatures that soar to unbelievable levels during the day and drop below freezing at night. But it wasn't always this way. It once was inhabited by the greatest of civilizations, but those people fell due to their own wickedness.

In the mid-21st century, Tokyo's mafia can turn into ether-enhanced Demon Lords, and Braves hunt them down. Yashiro, the Grim Reaper, reluctantly takes a new apprentice named Aki Jogamine, a high school girl training to become a Brave. He soon finds himself dragged into one troublesome case after another. The supernatural story of a scumbag master and his self-proclaimed apprentice begins!