Symbiotic Imperial Concubine

History books say that she was arrogant and jealous, and was a demon concubine who harmed the country. No one knew that she fell asleep holding a hosta every night, needing that hard touch to confirm that she was still alive. From the cold palace to the dragon bed, she was his only constant temperature. This was a transaction about body temperature that lasted for twenty-three years and lasted until death - he even opened a connecting window for the two coffins in the mausoleum.