Shinyaku Toaru Majutsu no Index Light Novel Volume 18

Shinyaku Toaru Majutsu no Index Light Novel Volume 18 is the eighteenth instalment of the Shinyaku Toaru Majutsu no Index light novel series, due to be released on May 10th 2017.

Publisher's Summary
After rescuing the isolated Fran, Tsuchimikado has barged in. However, Aleister will never let them get away. While the magic, Karma, attacks Kamijou and the others, they march into the stronghold known as the Windowless Building!