Rule 34 Dev - 1boy 3girls :3 ambush brown_hair curren_chan_(umamusume) door grey_hair highres horse_girl multiple_girls one_eye_closed purple_eyes rakugakiraid rice_shower_(racehorse) rice_shower_(umamusume) school_uniform smile thighhighs tracen_school_uniform trainer_(umamusume) umamusume valentine vivlos_(umamusume) waiting|21415337190