KURO : and the light of gods

In this world, there are people called exorcist, and in this world, those exorcist hold magic abilities of the gods called 'Kamigami no hikari', or translated, Light of gods. After being abandoned by his parents, when they found out he held that power, as did many other young children. Some children were praised for being able to have that ability, others however, were mocked, ridiculed, abandoned, and sometimes even killed.