4girls, beach, beach_umbrella, bikini, blonde_hair, blue_eyes, brown_hair, closed_mouth, day, iijima_yun, long_hair, multiple_girls, new_game!, ocean, open_mouth, outdoors, purple_eyes, purple_hair, sand, shinoda_hajime, short_hair, smile, suzukaze_aoba, swimsuit, takimoto_hifumi, tropical_drink, umbrella, water_gun