Certain Scientific Railgun Vol. 19

NEVER A MOMENT'S PEACE! The clique conflicts may have been resolved, but trouble still lies ahead for Tokiwadai Middle School. Thanks to a joint operation between the big three cliques, Antikythera--the company conducting illegal abilities research--has been defeated, and for the moment, peace settles over the campus. However, Hasekura Reiri and Shin'enkouji Rurikakesu cannot help but feel something is off. Meanwhile, while Shokuhou Misaki and other Tokiwadai students are at a theater for their art-appreciation class, they end up getting more than just a show...