A higher rank race of monsters, boasting high magical power and a surprising amount of superhuman strength, which inhabit places such as mamono realms. They reveal themselves only at night and use the cover of darkness to attack their prey. They are extremely prideful, considering themselves to be “nobility" while strongly looking down upon humans as lesser beings.Men they are fond of are taken away to their homes, and kept as both servants and food sources, being forced to take care of the vamp