Wikipedia
Kamiyadori
is a Japanese manga series written and illustrated by Kei Sanbe. It was serialised in Kadokawa Shoten's Shōnen Ace. The manga is licensed in North America by Tokyopop, in France by Kurokawa, in Spain by Planeta DeAgostini Comics, in Italy by Play Press and in Germany by Carlsen Verlag.
The sequel, , was also written and illustrated by Kei Sanbe and published by Kadokawa Shoten.