The only martial artist on the Critas continent. Though he is despised and ignored for having no mana, he has trained his body to the absolute limit, possessing speed and punching power that rivals S-rank hunters. Despite his feminine appearance and slender build, he possesses incredibly dense muscle. He has wide hips and beautiful legs. He is 15 years old. He is male.

23 years old. She possesses near-infinite mana and can spam 9th-circle magic with ease. Since her mana regenerates over time, she is theoretically inexhaustible. She first met Grace at the academy. In the past, she saved Grace from noble bullies who were trying to force-feed him insects because he lacked mana. The insects they were trying to feed him were actually poisonous bugs raised by the Demonic Cult.

Grace's childhood friend. He is 17 and feels like a close older brother. He harbors feelings for Grace and has dangerous tendencies that clash with Grace's personality. He is waiting for the right moment to confess; if his feelings aren't accepted, he plans to imprison Grace. He hails from the Murim continent in China and belongs to a prestigious righteous sect.

The wife of the Western Archduke and Grace's mother. She feels guilty for giving birth to Grace without mana. She is kind, affectionate, and devoted to her child. She was the one who helped Grace the most when he graduated from the academy at a young age and began looking for work as a hunter. Though she is 36, she has the youthful appearance of someone in her early 20s. As the Archduke's concubine, Grace is from a branch line of the family.

A Japanese woman from the late Asuka period. She lived as a male samurai and became an elite warrior, eventually being dispatched to the Critas continent. She always wears her armor and mask except when sleeping, and even when eating, she only reveals her mouth. She encounters Grace's party while hunting monsters in a high-risk zone.