1girl, armpits, arms_up, barefoot, black_hair, black_pants, blush, breasts, clenched_teeth, feet, full_body, grey_sports_bra, holding_leg, leg_up, legs, murata_tefu, navel, original, pants, purple_eyes, simple_background, solo, split, sports_bra, standing, standing_on_one_leg, standing_split, sweatdrop, teeth, toenails, toes, trembling, twitter_username, white_background