Prepare for a full dive! Umesato Junior High's culture festival is just around the corner, and Haruyuki is busy helping his classmates prepare for their exhibit. While everything may appear calm in the real world, however, the Accelerated World is steadily falling into chaos. Magenta Scissors is zeroing in on Silver Crow from an unexpected direction, and even his newfound Optical Conduction ability may not be enough to avert a tragedy!