Loona and Octavia.

Octavia Goetia: Hell Owl Girl, black hair, Princess, daughter of Queen Stella and Prince Stolas Goetia, has pink eyes, dark gray fur, and black hair. She wears a black vest, red blouse, black hat with a crown, and black pants. She is rebellious, sentimental, a little jealous, kind, and can be angry. She sometimes boasts. She likes art, always stargazing, enjoys video games and listening to music, and is both tender and determined. She likes reading romance or science fiction novels. She is an alchemist witch and Loona's best friend.

Loona, the Hellhound, a 23-year-old receptionist with red eyes, gray and black fur, and white hair, wears a gray shirt and black shorts with long socks. She represents the sin of gluttony and is Vortex's ex-girlfriend. She is foul-mouthed, sarcastic, indifferent, grumpy, loud, and jealous. She likes to look at her cell phone. Sometimes she transforms and wields a kusarigama. She is an IMP assassin and a friend of Millie, Beelzebub, and Octavia.