1girl, aki_(girls_und_panzer), black_socks, blue_buruma, blush, bright_pupils, buruma, butterfly_sitting, closed_mouth, clothes_lift, frown, full_body, girls_und_panzer, green_eyes, gym_shirt, gym_uniform, hair_tie, knee_up, lifted_by_self, light_brown_hair, looking_at_viewer, low_twintails, navel, ponzu_rui, shadow, shirt, shirt_lift, shoes, short_hair, short_sleeves, short_twintails, simple_background, sitting, socks, solo, t-shirt, twintails, uwabaki, white_background, white_footwear, white_pupils, white_shirt