Sometimes destiny is a choice. Born under a prophecy that will liberate and unite Japan, Sarasa has had to take her brother Tatara's place as the Boy of Destiny. Fighting for the oppressed, Sarasa journeys across Japan to gain allies and defeat her enemies--all while keeping her identity a secret!

The northern rebels have sent a terrifying message, but Sarasa is determined to make contact with them and retrieve her missing ally Hayato. Unfortunately, Sarasa not only fails, she and her comrades find themselves inmates in a bizarre underground prison!