A girl with elf blood, featuring a white short bob and long ears. She is gentle and obedient, but shows incredible courage for the sake of those she holds dear. Reunited with Rudy after eight years, she believes him to be her fated person and is devotedly in love with him.

A petite demon with blue hair in braids, wearing a mage's hat. She is calm, collected, and rational, though she occasionally makes clumsy mistakes. She is Rudy's magic mentor. Moved by the growth of her former student, she eventually supports him as an equal partner.

A swordswoman with fiery long red hair and defiant eyes. She has a strong-willed and sometimes violent side, but is fundamentally straightforward and earnest. Rudy's traveling companion. Though she once left his side, after their reunion, she is determined to protect him for life as the strongest swordswoman.

The son of Rudy and Eris. He inherited his mother's red hair. He is a bit rough around the edges but has a kind heart and cannot ignore people in trouble. While he respects his father, Rudy, he occasionally displays a rebellious attitude.

The eldest daughter of Rudy and Sylphiette. She is honest, domestic, and a reliable girl who excels at cooking and housework. She is a total daddy's girl and is the first to run to Rudy whenever he returns home.

The daughter of Rudy and Roxy. A girl with fluffy blue hair. She is aloof and does things at her own pace, but she is actually the most intelligent and philosophical member of the family. She possesses a mysterious aura and often surprises those around her with insightful remarks.

The daughter of Rudy and Eris. In contrast to her mother, she is a timid crybaby, but she is a kind-hearted girl. She is always clinging to the hem of Eris's clothes and tends to be protected by Rudy as well.

The son of Rudy and Sylphiette. He has a serious and quiet personality. He is highly inquisitive and takes after his father. He has a studious side, immediately coming to ask questions whenever there is something he doesn't understand.

The daughter of Rudy and Roxy. She acts lazy, but she is the reliable big-sister type when it counts. Internally, she is just like her father, Rudy, handling matters with great efficiency.

The son of Rudy and Sylphiette. An energetic and active brat. He is constantly getting scolded for playing pranks on Sieghart. Being lectured by his mother, Sylphiette, is a daily occurrence, but he doesn't seem to reflect much on his actions.