1girl, animal_ears, breasts, closed_mouth, dress, dutch_angle, feet_out_of_frame, hands_up, horse_ears, horse_girl, horse_tail, knee_up, long_hair, lying, mejiro_mcqueen_(ripple_fairlady)_(umamusume), mejiro_mcqueen_(umamusume), miri_(ago550421), on_back, polka_dot, purple_eyes, purple_hair, small_breasts, smile, solo, swept_bangs, tail, umamusume, very_long_hair, white_dress