In a certain kingdom, one knight among the new recruits is a little different from the rest. He possesses a special magic ability called "kairaijutsu" (puppetry magic) thereby manipulating his own body, and is always protecting his friend who's often mistaken for a girl.

But the truth is—he is the one who's actually a girl! Not only his gender but his age, social status and even health are all falsified too!

Manipulating the actions of his friends like they're dancing in the palm of his hand while taking it easy flying around—such is the story (and personality!) of the "sagishi" (con-man) knight Ruze...