Mona's hair is tied up with black ribbons into two twintails with two gold compass rose ornaments clamped onto the tips. Her accessories consist of a gold earring that resembles a compass rose on her left ear, a black choker necklace adorned with another gold compass rose, a gold ornament on her right thigh, and a large dark blue witch hat, adorned with gold compass rose decals and ornaments.

She has fair skin, pale sea green eyes, and waist-length dark purple hair that turns slightly pink.