1girl, ahoge, animal_ears, bad_pixiv_id, bare_arms, bare_legs, barefoot, body_pillow, closed_eyes, dated, drooling, green_shorts, grey_hair, horse_ears, horse_girl, horse_tail, hugging_object, kagami_(haret46), open_mouth, pillow, pillow_hug, seiun_sky_(umamusume), shirt, short_hair, short_sleeves, shorts, signature, sleeping, solo, tail, umamusume, yellow_shirt, zzz