Masterpiece

masterpiece is the second and the last opening theme music of the Toaru Majutsu no Index anime. It was introduced in episode 17 of the anime replacing PSI-Missing. However, the DVD releases rectified this and instead used Masterpiece beginning episode 15.

Tracklist
The music and arrangement were done by Maiko Iuchi, who has done all of the soundtracks for the anime series. The lyrics were written and sung by J-pop singer, Mami Kawada who also sang songs for other J.C. Staff anime. This is her 7th single release and was released on February 4, 2009 an entire week after the 17th episode aired.

The single release features the full version of masterpiece, as well as the insert song jellyfish.
 * 1) "masterpiece" – 4:37
 * 2) "jellyfish" – 4:26
 * 3) "masterpiece" -instrumental- – 4:37
 * 4) "jellyfish" -instrumental- - 4:24

Characters
By appearance
 * Kamijou Touma
 * Index
 * Tsuchimikado Motoharu
 * Aogami Pierce
 * Misaka Mikoto
 * Uiharu Kazari (cameo)
 * Saten Ruiko (cameo)
 * Unabara Mitsuki
 * Kanzaki Kaori
 * Stiyl Magnus
 * Tsuchimikado Maika
 * Shirai Kuroko
 * Kazakiri Hyouka
 * Tsukuyomi Komoe
 * Yomikawa Aiho
 * Himegami Aisa
 * Sasha Kreutzev
 * Last Order
 * Misaka 10032
 * Accelerator
 * Yoshikawa Kikyou
 * Sherry Cromwell

Spoilers

 * Touma battling Sherry and her golem