1girl, animal_ears, armpits, arms_behind_head, arms_up, belt, black_gloves, black_horns, black_shirt, black_shorts, blue_eyes, bracelet, breasts, brown_belt, brown_hair, cleavage, cleavage_cutout, closed_mouth, clothing_cutout, cowboy_shot, crop_top, cropped_shirt, demon_horns, demon_wings, ear_ornament, elbow_gloves, fang, fur_armlet, gloves, half-closed_eyes, halloween, halloween_costume, halterneck, heart, horns, horse_ears, horse_girl, horse_tail, jewelry, long_hair, looking_at_viewer, low_wings, medium_breasts, mejiro_palmer_(devil_in_the_moonlight)_(umamusume), mejiro_palmer_(umamusume), midriff, navel, official_alternate_costume, purple_wings, seki_(hyokosho), shirt, short_shorts, shorts, single_glove, smile, solo, sparkle, standing, tail, thigh_strap, twitter_username, umamusume, wings