Kaze ni Mau Brigandine
Brigandine in the Wind·風に舞う鎧姫〈ブリガンディ〉
Akechi Yoshitaka is a high school student who gets drawn into a conflict after being invited by a senior to enter the dorm of Shizuru Girls High. There, he is pursued by female students carrying swords, one of whom is his childhood friend, Tachibana Minori. To protect him, she attacks the others. The students are revealed to be knights wearing armor-like skirts, fighting to control the school's "Territory." Akechi becomes involved in their battle for the title of King of Knights.