1girl, akashio_(loli_ace), animal_ears, aqua_bow, bow, box, brown_skirt, ear_bow, frilled_shirt_collar, frilled_sleeves, frills, hands_on_own_chest, happy_valentine, 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