1girl, animal_ears, blush, bottle, breasts, brown_eyes, brown_hair, closed_mouth, ear_ribbon, green_ribbon, grey_background, holding, holding_bottle, horse_ears, horse_girl, horse_tail, jacket, large_breasts, long_hair, long_sleeves, looking_at_viewer, plastic_bottle, red_jacket, red_shorts, ribbon, satono_diamond_(umamusume), shiseki_hirame, shorts, simple_background, smile, solo, sweat, tail, tracen_training_uniform, track_jacket, umamusume, water_bottle, zipper