1girl, ahoge, averting_eyes, blue_buruma, blush, brown_eyes, buruma, closed_mouth, clothes_lift, eggman_(pixiv28975023), embarrassed, grey_hair, gym_uniform, indian_style, kneehighs, legs, lifted_by_self, long_hair, male-female_symbol, navel, onii-chan_wa_oshimai!, oyama_mahiro, scratching_stomach, shirt, shirt_lift, short_sleeves, sitting, socks, solo, thighs, white_shirt, white_socks