1boy, 1girl, animal_ears, blue_background, blue_hair, blush, braid, breasts, ear_ornament, finger_sucking, hetero, horse_ears, horse_girl, jewelry, long_hair, mejiro_ardan_(umamusume), missile_(55missile), necklace, purple_eyes, simple_background, solo_focus, sweatdrop, trainer_(umamusume), umamusume