2boys, 3girls, d, animal, ball, beach_umbrella, beachball, bikini, bird, black_male_swimwear, blonde_hair, blue_sky, bottle, carrying, carrying_under_arm, chromatic_aberration, cloud, cocktail_umbrella, cup, day, frilled_bikini, frills, front-tie_bikini_top, front-tie_top, green_eyes, green_hair, grin, hand_up, hatsune_miku, holding, holding_bottle, holding_cup, jet_ski, kagamine_len, kagamine_rin, kaito_(vocaloid), knee_up, lifebuoy, long_hair, male_swimwear, megurine_luka, meiko_(vocaloid), multiple_boys, multiple_girls, noyk_iv, ocean, one_eye_closed, outdoors, parted_bangs, sitting, sky, smile, standing, striped, striped_bikini, summer, swim_trunks, swimsuit, takoluka, topless_male, towel, towel_around_neck, twintails, umbrella, very_long_hair, vocaloid, volleyball_net, water_bottle, white_bikini