Sayaka Miki is a fictional character from the 2011 anime series Puella Magi Madoka Magica. A girl with a strong sense of justice and a classical music fan, Sayaka is the childhood and best friend of one of the series' protagonists, Madoka Kaname. She highly respects and admires her upperclassman Mami Tomoe, an experienced magical girl that fights for justice, and aspires to be like her. Sayaka makes a contract with the messenger of magic, Kyubey, and becomes a magical girl to heal the arms of Kyōsuke Kamijo, a boy she has been infatuated with since childhood. Sayaka has appeared in several Puella Magi Madoka Magica media, including manga, a novel adaptation of the series, and video games.

Puella Magi Madoka Magica , also known simply as Madoka Magica, is a Japanese anime television series created by Magica Quartet; and animated by Shaft. The story follows a group of middle school girls, led by protagonist Madoka Kaname, who make supernatural contracts to become magical girls. In battling surreal enemies known as "witches", they learn of the anguish and peril associated with their new roles. The first ten episodes of the series aired on TBS and MBS between January and March 2011, while the final two episodes were delayed until April of the same year due to the Tōhoku earthquake and tsunami.