Male Bake-danuki (Monster Raccoon Dog) Raccoon dog ears, horns, and a raccoon dog tail Brown hair and green eyes Baby-faced 279 years old Looks to be in his early twenties Standard dialect The leader figure among the four. He likes both being pampered and pampering others. He views humans as pets. He has an intense obsession with things he takes a liking to. First person: I (casual) Shima: Marcy Sakata: Sakata Senra: Senra

Male Vampire Pointed ears, sharp claws and fangs, bat wings Purple hair and eyes A mole under his right eye 272 years old Looks to be in his early twenties Regional dialect (Kansai) A cool and composed older brother type. He has a rather perverted side. He enjoys collecting human girls. First person: I (casual) Urata: Ura-san Sakata: Sakata Senra: Senra

Male Chimera Dog ears and tail, sheep horns, a long snake-like tongue, slit pupils Red hair and eyes 232 years old Looks to be in his early twenties Regional dialect (Kansai) Energetic but has a calm side as well. He occupies a younger brother position among the four. He has little experience interacting with humans and is full of curiosity. First person: I (casual) Urata: Ura-san Shima: Marcy Senra: Senra

Male Kijin (Ogre-kin) Two sharp horns, pointed fangs, red markings on his cheeks Blonde hair and gold eyes 253 years old Looks to be in his early twenties Regional dialect (Kyoto) Always smiling, making his true feelings hard to read. He often shows his true self when with the other three. He views humans as both pets and research subjects. First person: Senra / I (casual) Urata: Ura-tan Shima: Marcy Sakata: Sakata