1girl, d, ai_takurou, alternate_hairstyle, animal_ears, black_shorts, bottle, breasts, crop_top, cup, greyscale, hair_over_one_eye, holding, holding_cup, horse_ears, horse_girl, horse_tail, indoors, long_hair, looking_at_viewer, monochrome, navel, open_mouth, pov, shorts, smile, solo, tail, towel, umamusume, vodka_(umamusume), water_bottle