1girl, animal_ears, blush, feet_out_of_frame, gaze_on_me!_outfit_(umamusume), horse_ears, horse_girl, horse_tail, long_hair, looking_at_viewer, male_swimwear, mayano_top_gun_(umamusume), midriff, miyai_(myai04), navel, orange_hair, scrunchie, shirt, short_sleeves, sitting, smile, solo, swim_trunks, tail, tied_shirt, tongue, tongue_out, two_side_up, umamusume, white_shirt, wrist_scrunchie, yellow_eyes