Warhammer, but It's the Guilliman Heresy

Also known as: Slaanesh's precious darling, the one Khorne desires but can never have, Tzeentch's honest-to-goodness spokesperson, and Nurgle's pampered yet defiant favorite Good news: Having spent his previous life doing good deeds, he was rewarded with a trip to Terra. Bad news: Why is it Holy Terra? When Morton realized the underworld judge sitting across from him was a weasel spirit glowing with golden light, he knew it was already too late. In this life, Chen Yun became Morton, a member of the Plain White Banner whose household registration was in Holy Terra. His father was an Inquisitor, but why was his mother a Dark Eldar? He thought he was saved when he came across a group of Imperial Fists' mortal auxilia, but why were you chanting, “Blood for the Blood God”? At long last, Space Marine reinforcements arrived, but what do you mean the Luna Wolves are the garrison? What happened to the Imperial Fists I knew? Why have they turned traitor? What do you mean, Guilliman is the Great Traitor?