Kagamigami 

The story of a brave shikigami master and a kind-hearted detective begins!! In Sakuragamori Park in Tokyo, the dismembered bodies of four boys are discovered. The crime is something no ordinary human could possibly have committed. To investigate, a young shikigami master named Kyosuke Kagami is dispatched to the scene. There, he meets the detective Mako Miyoshi, and together they begin their search for the culprit. But soon, the criminal’s dangerous shikigami turns its fangs on them…!?