2girls, animal_ears, arm_tattoo, bare_shoulders, black_one-piece_swimsuit, breasts, casual_one-piece_swimsuit, closed_mouth, cloud, day, dress, eyewear_on_head, gold_ship_(run_revolt_launcher)_(umamusume), gold_ship_(umamusume), holding, holding_water_gun, horse_ears, long_hair, looking_at_viewer, low_twintails, mejiro_mcqueen_(ripple_fairlady)_(umamusume), mejiro_mcqueen_(umamusume), mimi_(usausamm5), multiple_girls, official_alternate_costume, one-piece_swimsuit, open_mouth, outdoors, purple_hair, red_eyes, small_breasts, smile, solo_focus, sun, sunglasses, swimsuit, tattoo, twintails, umamusume, water_gun, wristband