In a world shattered by divine war, knight zephyr Ashford is taken by the demon king - who is later revealed to be his long lost brother bound by fate. Guided by a mysterious keeper, zephyr journeys through Realm to find a missing assassin prodigy tied to the demon king. In the shadowed black cathedral he finally meets the boy - now grown, scarred and bearing demon king's eyes , Who calls him " brother "

THESE ARE CROSS POSTED ON AO3 AND NOWHERE ELSE!! Studio Investigrave Oneshots because we love the fandom. PLEASE do not request anything, I won't be able to write them because life is a bitch.