One-Winged Witches (ストライクウィッチーズ 片翼の魔女たち Katayoku no Majotachi) was a Strike Witches manga published in Comp Ace magazine. It took place parallel to the first season of the Strike Witches anime, detailing Wilma Bishop's experiences when she first joined the Isle of Wight Detachment Group. The story describes the development of Wilma's relationship with the other members of her squadron and significant background information of some of the characters were revealed.