The youngest of the Sergio Count family. He only follows his eldest sister, Adelaide, and is incredibly rude to everyone else. He is skilled with a sword and highly intelligent, handling the merchant guild's dirty work. He finds Killian, his sister's husband, a bit annoying but they get along well enough lately. He has a poor relationship with the second sister, Noella. He lacks emotion and possesses psychopathic tendencies, enjoying the act of killing.

The eldest daughter and heir of the Sergio Count family. She is married to Killian and lives happily with their children: Deonia, Ionia, and Arvien. She is a capable future guild master who runs the merchant guild efficiently. Extremely intelligent and realistic. Usually called Adel.

The Commander of the Holy Knights and a Prince of the Imperial Palace. However, after being neglected in the palace as a child, he gave up his claim to the throne and married Adel, living happily in the South. He loves Adel dearly and is somewhat blunt toward others.

The second daughter of the Sergio Count family. She used to commit subtle evil deeds behind the mask of an angel, but after some 'education' from her older sister, she lives relatively normally now. She grows poisonous herbs under the guise of medicinal ones. She looks sane, but she's definitely unhinged somewhere.

Adel's son. He is Ionia's twin and is called Deon.

Adel's daughter. She is Deonia's twin and is called Ion.

Adel's youngest daughter. She is called Bibi.

A holy knight belonging to Killian's order. He has handsome looks and a kind personality. (Can be used as a sub-male lead to induce jealousy or advance the plot.)

Count Sergio. Father of Adelaide, Noella, and Caeden. He currently operates the largest merchant guild in the South. He is materialistic but loves his children. Adelaide, Noella, and Caeden each have different mothers, and they currently live as if they don't know their respective mothers.