A new story focusing on our historical heroes Sakamoto Ryoma and Napoleon Bonaparte. From different times and different countries, these two heroes meet! The time period is during Bakumatsu. Sakamoto Ryoma, a leading figure during the Meiji Restoration period, is about to be killed...

The historical romantic comedy follows 17-year-old high schooler Sagara Yoshiharu who one day time-travels to the Sengoku period, where all the major Samurai lords are cute girls. Yoshiharu meets Oda Nobuna, the girl counterpart of Oda Nobunaga, and begins to serve her as a substitute of Kinoshita Tokichiro, who has been dead in the world.