1girl, agnes_tachyon_(umamusume), ahoge, animal_ears, black_necktie, black_pantyhose, black_shirt, blush, breasts, brown_hair, coat, crossed_legs, desk, earrings, flask, hair_between_eyes, holding, holding_test_tube, horse_ears, horse_girl, jewelry, lab_coat, legs, looking_at_viewer, medium_breasts, necktie, okitsugu, pantyhose, red_eyes, shirt, short_hair, short_necktie, single_earring, sitting, sleeves_past_wrists, solo, sweater, test_tube, thighs, umamusume, white_coat, yellow_sweater