Tomohisa cannot shake the vivid recollections of his encounter with the captivating senior student Mizuho from the previous day. As classes proceed, he notices the absence of his friend Endou and his classmate Mikura, the object of his quiet affection. Fearing they might be together in a compromising situation, he investigates and discovers them sharing an intimate moment on the fire escape outside. This revelation leaves Tomohisa reflecting on his own feelings and the hidden sides of his schoolmates.