Also known as: 服の下に水着, 服の下にビキニ, 水着ワイシャツ, Tシャツ+水着A Bikini being worn underneath clothes.ExamplesUnder Shirt and ShortsUnder Jacket and JeansSee alsoSwimsuit Under Clothes (mostly for One-Piece Swimsuits)Bikini Over ClothesBikini Bottom Under ShortsBikini Under Skirt