Under her father's command, margravine Lewis Ballantine is enlisted at the Buddhist monastery as a knight to perfect her swordsmanship skills. While it's common knowledge to most of the swordsman that Lewis is indeed a woman, crown prince and heir to the Flame Lance throne, Gerald, is blind to this fact. The night of the ball for knights, Gerald appears suddenly in Lewis' room. While surprise visits are commonplace, Gerald is overtaken by this figure of Lewis he's seen for the first time?!