2girls, animal_ears, blush, closed_mouth, cowboy_shot, gaze_on_me!_outfit_(umamusume), hair_between_eyes, hand_up, horse_ears, horse_girl, horse_tail, long_hair, looking_at_viewer, male_swimwear, midriff, mocha_(mochaxgm), multicolored_hair, multiple_girls, navel, open_mouth, photoshop_(medium), ponytail, purple_eyes, red_eyes, scrunchie, shirt, short_sleeves, sirius_symboli_(umamusume), smile, swim_trunks, symboli_rudolf_(umamusume), tail, tied_shirt, umamusume, white_background, white_shirt, wrist_scrunchie