Meigo Arisa (鳴護アリサ Meigo Arisa?) is an original character introduced in Toaru Majutsu no Index Movie: Miracle of Endymion. She is a talented singer with a mysterious past, who dreams of getting her big break as an idol. As she performs on the streets, she meets Kamijou Touma and Index, and then finds out that she has won the audition for the image song for the opening Endymion. She later discovers that there are people after her related to her miraculous powers. She is one of the main characters in the movie, and her character arc and her coming to terms with her powers drives the story towards its climax.