Silver Crow, aka Haruyuki, has mastered the new ability “Optical Conductivity”. It may seem that the preparations for the battle with Metatron are now over, but the battlefield suddenly shifts to the cultural festival of Umesato High School. Not only that, Haruyuki invited Niko and Kusakabe Rin, also known as Scarlet Rain and Ash Roller, to it, thanks to which Kuroyukihime is now intimidates him with an icy aura, he also helps organize an exhibition for his class. Their chests are filled with agonizing anticipation of the festival itself. But the machinations of Magenta Sizz, who is trying to wreak havoc in the Accelerated World, suddenly begin to overtake them from a completely unexpected direction!..