From middle school to high school, Kai and Ren shared the same class and sat side by side. However, in their final year of high school, they are separated into different classes, causing Kai to sense a growing distance between them. One afternoon, Kai discovers Ren asleep in a classroom and musters the courage to express his unspoken emotions. Will Kai's heartfelt confession drive them apart, or will it reignite the bond between them?