1girl ahoge bangs bare_arms bare_legs bare_shoulders braid breasts brown_eyes choker collarbone earrings flower flower_earrings frilled_one-piece_swimsuit full_body hair_between_eyes hair_flower hair_ornament highres jewelry long_hair looking_at_viewer low_twin_braids one-piece_swimsuit onii-chan_wa_oshimai! oyama_mahiro pink_choker pink_hair saiste sandals simple_background small_breasts solo standing swimsuit twin_braids white_background yellow_one-piece_swimsuit