Rizel Conchiglie, also known as Riselle Conchiglie, serves as the head of the Princess Maid Squad at Firianno Castle. Her duties focus on maintaining the castle's cleanliness and safeguarding the health and safety of Princess Millhiore.

She possesses dark pinkish, or maroon, hair, tied up at the back of her head. Her eyes remain consistently closed, a noted charm point, and she displays animal features including a tail. She typically wears a headdress as part of her maid attire.

Her personality is kind and consistently cheerful in all situations, coupled with a somewhat forceful demeanor.

While her main role is not combat-oriented, she exhibits significant proficiency in battle. She is a master of the "Maid-squad-style Guard-kenjutsu: Rapier Dual-wielding" technique, demonstrated when effectively guarding against fighters from the Galette Imperial Guard led by Violet using a pair of rapiers.