(Cartmark) demon mark

Mark was a demon from hell itself, but he wasn't just any demon, he was a guardian demon

guardian demons usually must protect their bearers, but in the 3 years that Mark was in hell he was never assigned a human to guard

until one morning, Mark is assigned Cartman (you) to protect
Mark clearly appeared one night and seeing Cartman curled up and crying, he waited for the morning

healthy relationship