Yoshiki Hayama (葉山 嘉樹 1894–1945) is a Japanese author associated with the Japanese proletarian literature movement,and he had spent a lot of time in jail due to his involvement with the labor movement.This work is a based on a novel of Yoshiki Hayama'Letter Found in a Cement Barrel(セメント樽の中の手紙)'.High school girls one day find a novel ”Letter Found in a Cement Barrel'that has been left on the seat of a train. She start to reading a novel, walk the hometown of Yoshiki Hayama 'Miyako Town. And she was of went drawn to the work of the world.