1girl, animal_ears, bikini, black_bikini, blue_sky, breasts, brown_hair, cleavage, cloud, day, eyewear_on_head, flower, frilled_bikini, frills, hair_between_eyes, heart, heart-shaped_eyewear, horse_ears, horse_girl, horse_tail, indoors, iwashi_111, large_breasts, long_hair, looking_at_viewer, maruzensky_(blasting_off_summer_night)_(umamusume), maruzensky_(umamusume), navel, parted_lips, sky, smile, solo, sunglasses, swimsuit, tail, umamusume, underboob, window