- En: The creator and leader of the En family.
- Shin: One of the two cleaners of the En family who is responsible for killing people who mess with the family.
- Noi: The partner of Shin and the second of the family's two cleaners.
- Turkey: Creates puppets with her magic to help the En family find people they're tracking down.
- Chota: A hardcore fan of En. Uses a dispel-type magic and frequently pesters En to become his partner.
- Fujita: Errand boy for the family with low self-esteem, who desperately wishes to become a family member.
- Matsumura: Fujita's old partner, slaughtered by Kaiman at the beginning of the series.
- Ebisu: While not an official family member, she is treated as an honorary member and is free to goof around the mansion as she pleases.
- Shou: Original assassin for the Family, thanks to his invisibility-type of magic, nobody seems to remember him or even notice his presence, making him really depressed.
- Nikaido: Forced to become En's partner due to her rare Time-type magic-using mind control.
- Tenjin: The very first member of the Family, one of the slaves freed by En, killed before the beginning of the series.
- En Family Goons: Serving under En, they are loyal to all members of the family.
Created by En during his childhood, the first members were slaves from a magic factory that En destroyed. Having thereby released them, some decided to follow him out of gratitude and have been loyally serving him ever since. The organization slowly took over most of the businesses in the Magic User Realm, becoming both a business organization and sort of a new world order in the lawless society of Magic Users, creating a new hierarchy of power and making En the technical de facto ruler of the Magic User World, aside from Chidaruma, who is the ruler of all Devils and sorcerers.
Their base of operations is the En's Mansion, a huge independent estate with an adjacent private forest, and is the home of the organization members, from the top Elite Magic Users to the low ranking goons.