Toaru Majutsu no Index OP2 Single - masterpiece by Mami Kawada

To Aru Majutsu no Index has a new OP2 theme song, which is called masterpiece by Mami Kawada. She is a member of the I've Sound who performs soundtracks for some eroge. Mami was usually paired up with co-I've member KOTOKO when making soundtracks for anime. Examples of these are Onegai Teacher, Onegai Twins, Starship Operators, Shakugan no Shana, BALDR Force EXE Resolution OVA, and Hayate no