1girl absurdres aged_up aikir_(jml5160) alternate_breast_size bangs blonde_hair blush bob_cut breasts casual closed_mouth commentary embarrassed facing_viewer frown girls_und_panzer green_sweater highres katyusha_(girls_und_panzer) large_breasts ribbed_sweater short_hair simple_background solo sweatdrop sweater turtleneck upper_body white_background