D4 Princess

(Esta sinopse está em inglês. Ajude a comunidade traduzindo!)

---

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.

(Source: ANN)