Marko and Luka

Appearance
Being identical twin sisters, Marko and Luka are dark-skinned girls and yellow eyes. Most of the time, both are mostly seen to be dressed in the typical uniforms belonging to those from the Puritaria Church. Both sisters also have a black cross on the left and right sides of their cheeks respectively.

Personality
Marko and Luka is shown to be apathetic to the point of them being emotionless, but both of them has a strong and dutiful dedication toward Serivia desiring to do anything, which she wishes no matter how cruel without question.