Damn, I Share a Heart with the Bloodthirsty Queen!

"My name is Wang Fei. I'm 23 years old, a rookie police officer fresh out of college. One night, while I was on my way to work, I saw someone robbing a passerby at knifepoint, so I stepped in to stop him. The criminal stabbed me in the chest, damaging my heart. I needed a heart transplant to survive."

"Without a suitable donor heart, I would have died. But then a miracle happened: an international hospital sent over the heart of a kind stranger. The transplant was a success, and I survived."

"I never expected that from then on, a terrifying, bloodthirsty demon king would be living inside me..."

"My name is Catherine. I'm the head of the Black Hand Society in Italy. Though I suffer from porphyria and have long enjoyed drinking blood mixed with red wine, earning me the nickname Bloodthirsty Queen, I was a powerful figure whose name echoed throughout the underworld. But after being betrayed and killed by my trusted aides, my body was donated to a hospital. My heart, which still held traces of my consciousness, was transplanted into a young police officer from Han Country..."

This novel and its characters are entirely fictional. Any resemblance to actual events or people is purely coincidental. Do not imitate.