1girl, agnes_tachyon_(umamusume), ahoge, animal_ears, black_necktie, black_pantyhose, boots, botantouki, breasts, brown_hair, closed_mouth, collared_shirt, glint, hair_between_eyes, high_heel_boots, high_heels, horse_ears, horse_girl, horse_tail, lab_coat, looking_at_viewer, lying, medium_hair, necktie, on_stomach, pantyhose, red_eyes, shirt, sleeves_past_fingers, sleeves_past_wrists, small_breasts, smile, solo, sweater_vest, tail, tail_through_clothes, test_tube, the_pose, umamusume, white_footwear