Platinum End, Vol. 11 by Takeshi Obata [Paperback]

"From the creators of Death Note! Mirai may have been saved by an angel, but his battle is just beginning...

As his classmates celebrate their middle school graduation, troubled Mirai is mired in darkness. But his battle is just beginning when he receives some salvation from above in the form of an angel. Now Mirai is pitted against 12 other chosen humans in a battle in which the winner becomes the next god of the world. Mirai has an angel in his corner, but he may need to become a devil to survive. 

Seeking to negotiate with the final god candidate, Mirai and the others reveal themselves to the world. But the final candidate is a Nobel Prize-winning professor with the angel of destruction by his side. And when the professor explains his theory on what is actually behind the competition to choose a new god, it will shock the entire world!"