1girl, adapted_costume, animal_ears, arm_support, awei_(aweirua), bad_pixiv_id, banned_artist, belt, bikini, black_bikini, blush, breasts, buckle, cleavage, closed_mouth, day, eyewear_on_head, frilled_bikini, frills, gold_ship_(run_revolt_launcher)_(umamusume), gold_ship_(umamusume), horse_ears, horse_girl, horse_tail, large_breasts, leaning_back, long_hair, looking_at_viewer, ocean, official_alternate_costume, on_ground, outdoors, pink_eyes, purple-tinted_eyewear, purple_hair, sitting, solo, starfish, sunglasses, swimsuit, tail, thigh_pouch, thigh_strap, tinted_eyewear, umamusume, very_long_hair, water, water_gun, yellow-framed_eyewear