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Doris Ruridou is young princess who had just entered Teito Academy. She is also a Panzer, a person with special abilities and fights with a weapon called a "tool". Shortly after entering, her older sister shows up to teach her how to fight as a Panzer against other Panzers who challenge her.

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!!Contains examples of:

* ImprobableWeaponUser: The panzers. Ok, so a drill is a pretty good weapon, but a ''vacuum cleaner''?
* MagicalGirl
* MuggleBestFriend: Doris's friends are both ordinary girls.
* OjouRinglets: Doris, to match her personality.
* TrainingFromHell: What Doris's older sister subjects her to.

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