1girl, 2023, agnes_tachyon_(umamusume), ahoge, animal_ears, bad_nicoseiga_id, breasts, brown_eyes, brown_hair, diagonal_stripes, floppy_sleeves, hair_between_eyes, holding, holding_test_tube, horse_ears, horse_girl, horse_tail, lab_coat, medium_breasts, pantyhose, parted_lips, shiroi_karasu, short_hair, simple_background, smirk, solo, striped, striped_background, tail, teeth, test_tube, umamusume