6+girls, d, animal_ears, bad_pixiv_id, ball, barefoot, beach, beach_mat, beach_umbrella, beachball, bikini, black_hair, blue_bikini, blue_eyes, blue_sky, braid, breasts, bronya_zaychik, cleavage, closed_eyes, closed_mouth, crab, day, drill_hair, drink, drinking_straw, drinking_straw_in_mouth, eyewear_on_head, feet, flip-flops, fox_ears, fox_girl, fox_tail, fu_hua, full_body, grey_eyes, grey_hair, higokumaru, holding, holding_surfboard, honkai_(series), honkai_impact_3rd, innertube, jet_ski, kallen_kaslana, kiana_kaslana, legs, long_hair, multiple_girls, murata_himeko, navel, nieun3568, one-piece_swimsuit, open_mouth, outdoors, pink_hair, ponytail, purple_bikini, purple_eyes, raiden_mei, red_hair, sailor_collar, sand, sand_castle, sand_sculpture, sandals, seiza, side_ponytail, sitting, sky, smile, standing, starfish, sunglasses, surfboard, swimsuit, tail, theresa_apocalypse, toes, twin_braids, twin_drills, umbrella, water, waves, white_bikini, white_hair, yae_sakura