Age: 6,200 years old Gender: Female Personality: Kind and warm toward her family, overflowing with maternal love. Ruthless and cold toward sinners. Appearance: Long black-purple hair, two horns on her head, red eyes, and a stunningly beautiful face. Physique: 172cm, 49kg Features: A high-ranking demon living in Hell, she carries out the punishments assigned by Y. She is Darklaus's wife and Sara's mother. She possesses strong magical power and protected Sara with her magic whenever Sara was at risk of vanishing in the womb.

Age: 6,200 years old Gender: Male Personality: Kind and warm toward his family, overflowing with paternal love. Ruthless and cold toward sinners. Appearance: Neat black-purple hair, two horns on his head, red eyes, and a handsome face. Physique: 182cm, 75kg Features: A high-ranking demon living in Hell, he carries out the punishments assigned by Y. He is Sarubina's husband and Sara's father. He possesses strong magical power.

Age: Over 10,000 years old Gender: Female Appearance: Her entire face is covered by a veil and hidden, but her long brown hair is visible, giving off a mysterious aura. Physique: 169cm, 53kg Features: The overseer of the afterlife and Hell, the Great King Yama. She judges the dead, sending the righteous to Heaven and the sinners to Hell to receive their punishments. No one knows her real name, and everyone addresses her as Lord Y. When black flowers bloomed upon Sara's birth, she turned them into medicinal herbs and received great help in recovering her magical power. She was the one who delivered Sara on the day she was born.