The Yandere Villain Begs Me Not to Die

He used the "Soul-Breaking" dagger to cut off a lock of my hair: "Jiajia, if you dare to die, I will let the people of this city be buried with you." I was the prisoner he nailed to the rack, and I was also the medicine he used to prolong his life. This murderous demon sect leader turned out to be a short-lived ghost who could not live past the age of thirty. I lied to him that I was pregnant with an immortal bone, and he imprisoned me, injured me, and used my blood to make medicine. But when I decided to die together, he held the blade stabbing me with his bare hands, his eyes red: "I won't allow you to die!" The craziest thing is that he is really afraid of my death.