1girl, aqua_eyes, auui, bare_arms, bare_shoulders, black_one-piece_swimsuit, blue_sky, blunt_bangs, blush, breasts, collarbone, competition_swimsuit, contrapposto, covered_navel, day, eyelashes, genshin_impact, grin, hand_up, holding, holding_water_gun, impossible_clothes, impossible_swimsuit, long_hair, medium_breasts, nilou_(genshin_impact), ocean, one-piece_swimsuit, one_eye_closed, red_hair, sky, smile, solo, standing, swimsuit, very_long_hair, wading, water, water_gun