2girls, all_fours, alternate_costume, animal_ears, artist_name, bare_shoulders, blanket, brown_hair, closed_mouth, colored_inner_hair, daitaku_helios_(umamusume), ear_covers, green_eyes, horse_ears, horse_girl, horse_tail, izu_lemon, jacket, long_hair, looking_at_viewer, loungewear, mejiro_palmer_(umamusume), multicolored_hair, multiple_girls, one_eye_closed, parted_bangs, parted_lips, shorts, sleep_bubble, streaked_hair, tail, tank_top, twitter_username, umamusume, watermark, yellow_eyes, yellow_jacket, yellow_shorts