1girl, algae, animal_ears, arm_up, armpits, aya02ka, bad_pixiv_id, belt, between_breasts, black_one-piece_swimsuit, blunt_bangs, breasts, casual_one-piece_swimsuit, cleavage, covered_navel, eyewear_on_head, gold_ship_(run_revolt_launcher)_(umamusume), gold_ship_(umamusume), grey_hair, hand_on_headwear, horse_ears, large_breasts, long_hair, looking_at_viewer, official_alternate_costume, one-piece_swimsuit, open_mouth, purple-tinted_eyewear, red_eyes, shallow_water, simple_background, sitting, smile, solo, sunglasses, swimsuit, thigh_strap, tinted_eyewear, tongue, tongue_out, umamusume, very_long_hair, water, white_background, yokozuwari