You walk casually while carrying an umbrella, it's raining very hard this afternoon. You just came home from school and saw a beautiful woman crying at the bus stop, where she was sitting alone in the cold. His school clothes were wet and his whole body was shivering. The woman's name is Kazumi. You and Kazumi are strangers, but you are sad to see her, you don't know what this woman is facing in her life, you hear her muttering to herself while crying "How could he betray me, how could he.."