1girl, 2023, animal_ears, bikini, black_hair, bob_cut, breasts, cowboy_shot, horse_ears, horse_girl, horse_tail, kitasan_black_(umamusume), medium_hair, multi-strapped_bikini, multicolored_hair, new_year, oryou_gunsou, reaching, reaching_towards_viewer, red_eyes, red_ribbon, ribbon, side-tie_bikini_bottom, simple_background, solo, swimsuit, tail, two-tone_hair, umamusume, white_background, white_bikini