Ore no Imouto ga Konnani Kawaii Wake ga Nai x Toaru Majutsu no Index Movie: Endymion no Kiseki - Kokuchi Eizou

A special video shown at screenings of Toaru Majutsu no Index Movie: Endymion no Kiseki to promote the then upcoming second seasons of Ore no Imouto ga Konnani Kawaii Wake ga Nai and Toaru Kagaku no Railgun.