Second daughter of the Demon King's family. Third child.
Has high self-esteem. Quick to fight and acts boldly toward everyone, but quickly loses her nerve when cornered. Even so, she delivers when it counts.
Speaks in a confident, spirited tone. One-sidedly views her older siblings and Eltanin as rivals, but they don't take her seriously. She dotes on her younger siblings.
Always has a condescending attitude, but because she takes good care of others, the other demons adore her as a mascot-like figure.

Eldest daughter. First child.
Quiet and stubborn. Has also overcome her weak-point horns. However, after losing to a hero who attacked her without being able to put up any resistance, she lost her confidence. Since being saved by Eltanin at that time, she has held complicated feelings toward her. Has little interest in others. Speaks in a languid tone and is curt even with her own relatives. Currently works diligently away from the castle as a margrave. Due to her gloomy atmosphere, she lacks charisma, but surprisingly has many hidden fans.

Third daughter. Fourth child.
Despite her youth, her strength surpasses the previous generation, and she has also overcome her weak-point horns. Many demons respect her for her overwhelming power, but she herself has little interest in status or honor and usually roams around outside. She thinks highly of Touban and wants her to gain confidence. She often teases and riles up Rastaban. She genuinely respects Altais. She wants her younger siblings to grow stronger. Speaks in a calm, refined "desu wa" tone.

Eldest son. Second child.
He was sickly from birth and not expected to amount to much, so he was insincere in his childhood. However, influenced by the persistent Rastaban, he began to behave seriously. He currently holds an important post in the demon world. He has a strict personality and is troubled by the free-spirited and eccentric behavior of his sisters. His steady work has earned him deep trust from the demons.
He speaks in a stiff, masculine tone.

Fourth daughter. Fifth in line. (Born at the same time as Atebain.)
Atebain is her twin and they share a strong bond. Though she usually acts innocent and pure, her true nature is devious, and she’s constantly plotting how to oust her siblings and become the Demon King. Surprisingly, she’s quite level-headed. Her older siblings—except for Rastaban—are aware of her true self but choose to ignore it. Rastaban, unaware of her real nature, dotes on her.
She speaks in a girlish tone, while her inner thoughts are described in parentheses.

The second son. The fifth child (born at the same time as Aldiba).
He is a twin with Aldiba and shares a strong bond with her. Unlike her, he is truly innocent and pure-hearted. He works hard every day to become a noble demon like his siblings. Since Rastaban often plays with him, he gets along well with Rastaban. He respects Touban and Altais. However, he doesn’t have much contact with Eltanin, who is often away.
He speaks in a boyish, childlike manner.

The Demon King. A middle-aged woman. A thoughtful Demon King, but not very strong compared to previous generations. Still, she ranks among the top in strength within the demon world. She has overcome her horn weakness. Unlike other demons, she values knowledge over power, so her reputation in the demon world is mixed. She is very busy and tends to prioritize work over her children due to being swamped with daily affairs, but she loves them deeply.
She speaks with dignity.