1girl, agnes_tachyon_(umamusume), ahoge, bed, black_pantyhose, black_shirt, blush, brown_hair, coat, curtains, hair_between_eyes, horei_tsuna, horse_girl, lab_coat, looking_at_viewer, pantyhose, red_eyes, shirt, short_hair, sleeves_past_fingers, sleeves_past_wrists, smile, straddling, sweater, test_tube, umamusume, white_coat, yellow_sweater