1girl animal_ears bare_shoulders blue_eyes brown_hair cowboy_shot ear_piercing gloves hair_twirling horse_ears horse_girl looking_at_viewer mejiro_ryan_(umamusume) midriff mugen_kageno multicolored_hair navel piercing pinstripe_pattern pinstripe_shirt shirt short_hair shrug_(clothing) solo striped two-tone_hair umamusume upper_body very_short_hair white_gloves white_hair