My Live-In Girlfriend Is Actually a Thousand-Year-Old Female Corpse

That year, I met her. Because she didn't burn any paper, she broke up with me and started disappearing. When we met again, I saw her lying in a cold red coffin. "Are you a human or a ghost...?" "Whether she's a human or a ghost, I'm still your girlfriend, right?" (Reading instructions: The stories in the book are purely fictional, please do not substitute them into reality, believe in science, and reject feudal superstition)