Sabor once fell asleep in class. Well,It happens to everyone? The monotonous voice of the teacher because, like a lullaby... And dream school students, as it was in the Sengoku era, and even took the place of Oda Nobunaga, a dream Fair Princess... Good sleep... Yes, just not a dream it turned out,but a real trip back in time! So now that the Sabor should combine to Japan! So... What`s written in books..?