Kominato Riku, a high school student aspiring to become a game designer, finds himself entangled in a romantic web involving his childhood friend Haju, who harbors feelings for him, and the school idol Riko, whom he adores. Just when it seems like a typical love-comedy scenario, a chilling rumor surfaces: the transfer student Nodoka has received a foreboding message predicting her imminent demise. This revelation shatters the ordinary, steering Riku and his companions towards a fate fraught with uncertainty. Amidst looming shadows of mortality, the question arises – who will survive, and where will affection find its place in this intricate tale?