Mariella

15 years old, born on October 26th. Height 157 cm. Blood type A. Likes exploiting weaknesses, spending time with Zell and Domina, and lollipop chocolates. Her magic attribute is "Ice".

A former student of Fanzell. A beautiful girl characterized by her short black hair and slanted eyes.

She is a user of "Ice Magic" and has moderate combat abilities, but excels as a commander leading a unit.

With the help of Fanzell and Domina, she escaped from the Diamond Kingdom with other children, but was pursued by Galeo, who killed her companions. She survived by agreeing to handle most of Galeo's work, as he valued her intelligence.

Later, she was tasked with eliminating political refugees and was pursuing the exiled Fanzell, but she was actually waiting for a chance to take revenge on her country. When Fanzell was captured at the Black Bull's hideout, she seized the opportunity to lead Galeo and other Clover Kingdom spies who had infiltrated into the Black Bull's hideout, resulting in their annihilation.

Although originally a character from the novel, she later appears in the main story. She accompanies the journey to the Witch's Forest and during the battle with the Diamond Kingdom, she gives precise instructions to the witches, confounding the Diamond army.