1girl :t arm_under_breasts beret bikini braid breast_hold breasts brown_hair cleavage collarbone ear_covers embarrassed hanma_(user_emma7355) hat highres hokko_tarumae_(umamusume) horse_girl jewelry jitome large_breasts long_hair necklace pout pouty_lips purple_eyes simple_background solo swimsuit twin_braids umamusume upper_body white_background