Gokurakugai, Vol. 1

There's never a shortage of crime around town, and a young boy searching for his beastman friend is just another entry on a long list of missing person reports. However, Alma and Tao realize that they're the best chance at solving the case—and destroy the vicious monsters waiting around every street corner.

Volume 1 of the Gokurakugai manga series by Yuto Sano.