Dalia is a member of Merm4id.

Dalia devotes herself to practicing ballet, traditional Japanese dance, contemporary dance, and any other dance form in order to become a genre-exceeding dancer. She sees something that she lacks in Rika's positivity, and decides to join the unit. She is also a grade holder in martial arts, and acts as the bodyguard of the unit. She has a cool personality, and is able to stay calm during most situations.