1girl, ahoge, all_fours, ass, bare_legs, bare_shoulders, bed_sheet, bikini, blonde_hair, frilled_bikini, frills, from_behind, hair_between_eyes, kneepits, long_hair, looking_at_viewer, looking_back, multicolored_hair, onii-chan_wa_oshimai!, orange_eyes, oyama_mahiro, pink_bikini, pink_hair, shenqi_de_(9), simple_background, solo, swimsuit, thighs, white_background