1girl, agnes_tachyon_(umamusume), ahoge, animal_ears, asa_(azainagamasa), bed, black_panties, blush, breasts, brown_hair, covering_mouth, curtains, dress_shirt, earrings, horse_ears, horse_girl, horse_tail, indoors, jewelry, looking_at_viewer, medium_breasts, panties, red_eyes, shirt, short_hair, single_earring, sleeves_past_fingers, sleeves_past_wrists, solo, tail, umamusume, underwear, white_shirt