Miyu has big green eyes and teal, medium-short hair worn mostly loose with a small amount pulled into a side-tail held with fluffy pom-poms. Her short forelocks and bangs frame her face.
Miyu wears a white top with light blue, yellow, red, and lavender accents, along with a drawing of a pink and green magical girl wielding her wand. The top is knotted at the corner, exposing her navel, and she wears a single suspender strap while the other hangs from her hip. The straps connect to a denim skirt. She also wears winter shoes with fluffy leg warmers that have a colorful diamond tile design lined in teal to match the strings tied to the side, each adorned with a pom-pom.
- Her birthday is November 20.
- She is the second youngest in the Party.
- Her blood type is A.