Sayaka Miki is a fictional character from the anime and manga series Puella Magi Madoka Magica. She is a magical girl who fights against witches to protect her city. Sayaka is known for her strong sense of justice and her desire to help others, often putting their needs before her own. In the series, Sayaka wields a sword and has the ability to heal others, reflecting her caring nature. Her character explores themes of sacrifice and the consequences of making wishes, which are central to the storyline of Madoka Magica.