Kyou Ayaha, a high school student in his third year, is a gifted individual not only in academics but also in sports. However, his monotonous life lacks excitement, leaving him uninterested every day. Unbeknownst to him, his life is about to take a drastic turn. Kyou went on a trip to Shibuya with his usual companions, Minto, Renka, and Mawata, only to witness a ghastly occurrence. To his surprise, the clothes of the people around them transformed into terrifying monsters that slaughtered anyone in their path. Everywhere they looked, the once harmless textile became a menace, devouring the innocent. In the midst of the chaos, with his life crumbling around him, can Kyou survive this relentless terror?