2girls, ?, aged_up, alternate_hair_length, alternate_hairstyle, animal_ears, black_hair, blue_eyes, blush, blush_stickers, braid, breasts, child, cleavage, collarbone, detached_sleeves, eishin_flash_(umamusume), german_clothes, horse_ears, horse_girl, if_they_mated, kyutai_x, mother_and_daughter, multiple_girls, simple_background, speech_bubble, sweat, tight_clothes, trembling, umamusume, underbust, upper_body, wide_sleeves, |_|