1boy 1girl animal_ears bangs blue_eyes blue_ribbon blush bow brown_hair cheek_bulge cheek_poking closed_mouth collarbone commentary_request ear_bow grass_wonder_(umamusume) hair_ornament highres horse_ears horse_girl long_hair looking_at_viewer negipon one_eye_closed poking ribbon sailor_collar school_uniform serafuku simple_background trainer_(umamusume) umamusume uniform upper_body white_background white_sailor_collar