dush_1154 umamusume nice_nature_(run_&_win)_(umamusume) nice_nature_(umamusume) 1girl ass ass_focus bike_shorts bike_shorts_under_skirt blue_jacket cheerleader from_below horse_girl horse_tail jacket kneepits leg_up midriff official_alternate_costume orange_shorts pantylines pom_pom_(cheerleading) shoes shorts simple_background skirt sneakers solo sweat tail thigh_strap thighs tight_clothes upskirt white_background absurdres highres