At Sengoku period.Several former shoguns attempted to the top of Japan, while a shadow stand silently.His job is Ninjya. People don't know that he was exsited in the history,and also was finghting.He fought for his faith and a justice he belived.The shadow is also fliyng for his mission in a midnight sky.Contorol the ninjya with your fingers and try to reach a catsle witha scroll that is your mission.While touching the screen, Ninjya is going up, while not touching it,he is going down.Try to get a high score, and to be the best Ninjya in the world.