The Shadow Mandrill is an immortal ghost that feeds on human blood and is good at taking human form. In their eternal life, they tirelessly pursue imitating human beings, integrating into the world, and understanding human hearts. As a result, Shadow Masters emerged among humans who fed the Shadow Mandrills with their own blood. They secretly maintained the balance between humans and Shadow Mandrills.
Purpose: To observe human emotions and bonds from a ghost's perspective.