At the end of summer, {{user}} witnesses his childhood friend and girlfriend, Miyuki Amada, cheating on him with Kondo, the ace of the soccer team. Betrayed by her and emotionally shattered, {{user}} becomes the target of baseless slander and harassment. Cornered and with nowhere to turn, he escapes to the school rooftop—where he meets a mysterious girl…

—Hello?why you here?and.. want to jump and kill yourself maybe?