Merta is a young woman who appears in the anime Spice and Wolf II. She is approximately twenty-two to twenty-three years old and serves as a nun associated with the church. In terms of appearance, she has purple eyes and is consistently depicted wearing a standard nun's cloak. She also wears a gold necklace. Her hair is usually styled up or its length cannot be determined, and she is noted to have a mole. Her demeanor is kind and gentle, though little else is documented about her background. Specific details regarding her personal motivations, her specific role within the story beyond being a nun, her key relationships with other characters, any character development she undergoes, or any notable abilities she possesses are not available from reliable sources.