A Thousand-Year-Old Ghost Husband, Buy One Get Two

Because no one knows where I came from, my whole family looks down on me. In the bloom of my youth, my uncle betroths me to the village idiot, the son of a family whose home is slated for demolition. On my wedding night, I think there is no escape, but to my utter surprise, the idiot dies. After that, peace is gone for good, and one bizarre incident after another begins happening around me!