1girl, american_flag_bikini, bikini, blonde_hair, blue_eyes, blush, breasts, cleavage, collarbone, flag_print, girls_und_panzer, kay_(girls_und_panzer), large_breasts, looking_at_viewer, medium_hair, oosaka_kanagawa, open_mouth, shirt, simple_background, smile, solo, sweat, swimsuit, upper_body, white_shirt