1girl, animal_ears, black_hair, breasts, cleavage, closed_mouth, clothes_writing, hair_between_eyes, horse_ears, horse_girl, kitasan_black_(umamusume), large_breasts, looking_at_viewer, lying, multicolored_hair, on_bed, on_side, pov_across_bed, red_eyes, sasanon_(sasapoliton), shirt, short_hair, short_sleeves, smile, solo, speech_bubble, streaked_hair, t-shirt, umamusume, white_hair, white_shirt