Torikae Fuukaden
とりかえ風花伝
A girl named Fukka, daughter of the lord of Inuiyama, is determined to assist her father in winning a war and ensuring his safe return. As a woman, she is not permitted to accompany him to the battlefield, but she learns of a "war ghost" named Byakkimaru that has appeared near her town. According to legend, securing Byakkimaru's allegiance guarantees victory in battle. Resolute in her mission, the young princess embarks on a journey to find this ghost, hoping to save her clan.