arm support, baseball cap, black buruma, black eyes, black hair, bright pupils, buruma, chouno ami, closed mouth, commission, girls und panzer, gym shirt, gym uniform, hand on own chin, hat, knee up, leaning back, midriff peek, navel, pixiv commission, ponzu rui, red headwear, shirt, shoes, short hair, short sleeves, sitting, smile, socks, t-shirt, uwabaki, white footwear, white pupils, white shirt, white socks