A Certain Magical Index, Vol. 14 (manga)

The Daihasai Festival is in full swing but the danger to Academy City has never been higher! Kamijou was one step behind and now Himegami has fallen into the crossfire. But while he's stuck dealing with Oriana's trap, her plans to upend the entire scientific world are nearing completion with every moment! Can Kamijou help his friends and stop the Church's plot when time is running out?