king halo (tonight we waltz) (umamusume), king halo (umamusume), umamusume, artist request, game cg, official art, 1girl, animal ears, armpit cutout, black dress, black gloves, black veil, bow, breasts, brown hair, cat, chandelier, cleavage, clothing cutout, cross-laced clothes, cross-laced dress, dress, ear covers, eyelashes, feet out of frame, fishnet veil, floating clothes, floating hair, floral print, formal clothes, frilled dress, frills, furrowed brow, gloves, gown, hair between eyes, hallway, hat, hat bow, hat feather, horse ears, horse girl, indoors, lace, lace-trimmed sleeves, lace gloves, lace trim, layered dress, light blush, light particles, long dress, long hair, long sleeves, medium breasts, mini hat, night, off-shoulder dress, off shoulder, official alternate costume, one side up, open mouth, outstretched hand, people, print gloves, red bow, red dress, red eyes, red hat, rose print, skirt hold, smile, solo focus, sparkle, veil, wavy hair, wide sleeves, window