3girls, ahoge, animal_ears, beach, bikini, blonde_hair, blue_bikini, breasts, brown_eyes, brown_hair, collarbone, constricted_pupils, dark-skinned_female, dark_skin, day, douki-chan_(douki-chan), ganbare_douki-chan, kouhai-chan_(douki-chan), large_breasts, medium_breasts, multiple_girls, outdoors, pink_bikini, raccoon_ears, sand_sculpture, shinjin-chan_(douki-chan), shirt, short_twintails, speech_bubble, standing, surprised, swimsuit, twintails, water, wet, wet_clothes, wet_shirt, yomu_(sgt_epper)