1boy, 1girl, agnes_tachyon_(umamusume), ahoge, animal_ears, black_pantyhose, brown_hair, chibi, chibi_inset, closed_mouth, cowboy_shot, double-parted_bangs, earrings, hair_between_eyes, horse_ears, horse_girl, jewelry, lab_coat, looking_at_viewer, medium_hair, pantyhose, red_eyes, shimosazami, simple_background, single_earring, sleeves_past_fingers, sleeves_past_wrists, solo_focus, standing, sweater, test_tube, umamusume, white_background, yellow_sweater