Kanno Naoe

"Kanno Naoe (管野直枝?) is a Witch of the 502nd Joint Fighter Wing, originating from Fuso and affiliated with the Fuso Imperial Navy. She is also known by the pet name of "Nao" (ナオ). Her familiar is the bulldog. Her inherent magic is called Compression-formula Super Hardness Defensive Magic Circle, or simply Super Hard Shield (. It is an ability that compresses the diameter of a magic shield until some dozens centimeters and raises its strength." "IF YOU WANT TO FIGHT, GET STRONGER!" From: http://strikewitches.wikia.com/wiki/Kanno_Naoe?file=Brave_Witches_-_ep10.png