The main protagonist of Puella Magi Kazumi Magica and a Puella Magi with no memories besides her name, though she slowly starts to regain her memories as she fights alongside her friends, Umika and Kaoru. She wears bells on her ears that can sometimes change things according to her wishes, and an ahoge that allegedly can detect witches. She often judges people to be bad or good depending on whether they waste food. When transformed, she dons a black outfit with a witch's hat and fights using a large cross. As a result of her memory loss, she does not remember the wish she made as she never told Umika or Kaoru what is was.