1girl, o, @_@, ahoge, ass, bare_arms, bare_legs, bare_shoulders, blush, casual_one-piece_swimsuit, dodo24850918, earrings, fang, flower, flower_earrings, frilled_one-piece_swimsuit, frills, from_behind, grey_hair, hair_between_eyes, hair_flower, hair_ornament, jewelry, leaning_forward, long_hair, looking_at_viewer, looking_back, low_twintails, one-piece_swimsuit, onii-chan_wa_oshimai!, open_mouth, oyama_mahiro, simple_background, skin_fang, solo, swimsuit, thighs, twintails, yellow_one-piece_swimsuit