1girl, animal_ears, armlet, breasts, bridal_gauntlets, clothing_cutout, covered_navel, etoast, grey_hair, grin, horse_ears, horse_girl, jewelry, lightning_bolt_print, long_hair, official_alternate_costume, pendant, ponytail, side_cutout, small_breasts, smile, stretching, tamamo_cross_(fierce_thunder_god)_(umamusume), tamamo_cross_(umamusume), umamusume