yilx, erwin (girls und panzer), girls und panzer, commentary, 1girl, back, bikini, bikini top only, blonde hair, brown eyes, camouflage, camouflage bikini, camouflage shorts, closed mouth, cowboy shot, from behind, goggles, goggles on headwear, green hat, grey background, grey shorts, hat, looking at viewer, looking back, military hat, muscular, muscular female, peaked cap, pointy hair, short hair, shorts, simple background, smile, solo, standing, steam, sweat, swimsuit