1girl, ahoge, animal_ears, blonde_hair, blue_eyes, closed_mouth, colored_inner_hair, feet_out_of_frame, horse_ears, jacket, long_hair, looking_at_viewer, lying, mengo_(captainmeteor6), multicolored_hair, neo_universe_(umamusume), on_side, shirt, sleeves_past_fingers, sleeves_past_wrists, solo, umamusume, very_long_hair, white_shirt