1girl, ahoge, animal_ears, barefoot, blue_eyes, breasts, brown_hair, couch, feet_out_of_frame, from_side, hair_between_eyes, hairband, horse_ears, horse_girl, horse_tail, impossible_clothes, long_hair, looking_at_viewer, lying, mecha_musume, mihono_bourbon_(umamusume), nazimi_(sickly7), on_back, on_couch, sideboob, solo, tail, thighhighs, umamusume