Chuunibyou Also Wants to Save the World

In this illusory and twisted world, a group of butchers appeared at some point, which people call corpses. Cheng Ye, a young man who was raised by a ghoul since childhood, was killed at work. He finally survived by transplanting the heart of a ghoul. How much blood will this ill-fated young man experience in his subsequent journey? (Why did I choose such a silly book title? I can't change it now)