On Shattered Ground summary:

In this world, Onmyouji exists to protect the livings from the demons. Akuro Kiryuu partners with his childhood friend Haruomi Karasuma to defeat the demons, while also trying to solve the mystery of that monster who cursed and killed his family ten years ago. Triggered by a certain strange encounter, Akuro's wheel of fate start rolling again...
Set in contemporary Kyoto, a tale of two professional Onmyouji begins!