1girl, arms_behind_back, breasts, cleavage, coin, hair_bobbles, hair_ornament, large_breasts, looking_at_viewer, obi, onozuka_komachi, red_eyes, red_hair, sash, short_hair, short_sleeves, shouko_(airen), simple_background, solo, touhou, twitter_username, two_side_up, upper_body, white_background