4girls, alternate_costume, arched_back, bare_shoulders, beach_mat, beach_umbrella, bikini, blonde_hair, blue_eyes, blue_hair, blue_one-piece_swimsuit, blunt_bangs, bocchi_the_rock!, brand_name_imitation, breasts, can, chen_yang_yang, choker, cleavage, collarbone, cooler, copyright_name, covered_navel, crab, cube_hair_ornament, day, double_bun, eyewear_on_head, fanning_self, frilled_bikini, frills, gotoh_hitori, groin, hair_between_eyes, hair_bun, hair_ornament, hands_up, heart, heart-shaped_eyewear, heart-shaped_pupils, holding, holding_innertube, horizon, ijichi_nijika, innertube, kita_ikuyo, kneeling, knees_together_feet_apart, looking_at_breasts, looking_up, lying, medium_breasts, mole, mole_under_eye, monster_energy, motion_lines, multiple_girls, name_tag, navel, new_school_swimsuit, ocean, on_back, one-piece_swimsuit, open_mouth, outdoors, outstretched_arm, pink_hair, polka_dot_innertube, raised_eyebrows, red_hair, sand_sculpture, school_swimsuit, scrunchie, side_ponytail, sitting, small_breasts, smile, spill, stomach, striped, striped_bikini, sunglasses, sweat, swimsuit, symbol-shaped_pupils, thighs, tongue, tongue_out, umbrella, water, wrist_scrunchie, yamada_ryo, yellow-framed_eyewear