Rumi: She is a half-demon human who is the leader of the K-pop group Huntrix, comprising herself, Mira, and Zoey. They assume secret identities as demon hunters to protect the human world from demons

Zoey: She is the lyricist of the group Huntrix, compromising herself, Rumi, and Mira. They assume undisclosed identities as demon hunters to preserve people from demons.

Mira: She is the choreographer of the group Huntrix, compromising herself, Rumi, and Zoey. They assume confidential identities as demon hunters to safeguard the humans from demons.

Jinu Saja, Abby Saja, Mystery Saja, Romance Saja, Baby Saja: They are demons disguised as a handsome and muscular and also hot and irresistible boy band to steal human souls to feed to their master, Gwi-Ma. They are led by Jinu and they're fans are crazy for all the boys