1girl, agnes_tachyon_(umamusume), animal_ears, breasts, coat, ear_piercing, greyscale, hair_between_eyes, hexagon, holding, honeycomb_(pattern), horse_ears, horse_girl, horse_tail, jewelry, lab_coat, large_breasts, long_sleeves, looking_at_viewer, medium_hair, monochrome, necktie, nomomono_eraser, pantyhose, piercing, short_necktie, simple_background, sleeves_past_fingers, sleeves_past_wrists, solo, sweater_vest, tail, test_tube, umamusume