"Madoka" refers to the main character of the anime series "Puella Magi Madoka Magica". She is a middle school girl who is approached by a mysterious creature named "Kyubey" that offers her the chance to become a magical girl. This transformation comes with the responsibility of fighting witches, but it also involves significant risks and sacrifices. The series explores themes of hope, despair, and the consequences of one's choices. As Madoka navigates her new reality, she learns about the darker side of being a magical girl and the true nature of her powers, leading to profound character development and emotional depth.