1girl, anchovy_(girls_und_panzer), black_bra, black_panties, blush, bra, breasts, collarbone, drill_hair, girls_und_panzer, green_hair, hair_ribbon, lingerie, long_hair, looking_at_viewer, navel, oosaka_kanagawa, open_mouth, panties, pink_background, ribbon, shirt, simple_background, small_breasts, smile, solo, sweat, twin_drills, underwear, undressing, white_shirt