Cinnabar

They say the two lords of Black and White Impermanence are as close as brothers, so close they tore down the walls of the Impermanence Estate and joined their two residences into one. They even annexed the bustling Impermanence Street outside their gate into their own courtyard.

When Bai Wuchang Xie Bi'an, still among the living, hears that his home was torn apart overnight, he falls silent for a long while. He hasn't been back in three hundred years, ever since that wretched fellow bound him with a soul-catching chain for half the night and nearly forced himself on him then and there.

But he watched Fan Wushe grow up when they were alive, and they've worked together for over a thousand years since their deaths. So where did things go wrong? How did that sweet little darling turn into such a shameless libertine?