3girls, armpits, arms_up, bikini, blonde_hair, blue_eyes, blue_hair, blush, brown_hair, closed_eyes, dixie_cup_hat, green_eyes, hat, inflatable_toy, long_hair, military_hat, multiple_girls, navel, one_eye_closed, open_mouth, sailor_bikini, sailor_collar, sailor_swimsuit_(idolmaster), smile, swimsuit, wading, wet