1girl akashio_(loli_ace) animal_ears aqua_bow bangs bow box brown_skirt commentary_request ear_bow frilled_shirt_collar frilled_sleeves frills hands_on_own_chest happy_valentine highres holding holding_box horse_ears horse_girl horse_tail incoming_gift light_blush long_hair long_sleeves looking_at_viewer mejiro_mcqueen_(umamusume) midriff_peek navel pleated_skirt purple_eyes purple_hair simple_background skirt smile solo tail umamusume valentine white_background