The rock face was carved in the shape of a halo, which is 13.8m in height with the inner surface made flat and smooth, on which the 11.5-meter-tall standing statue of Miroku-butsu (Miroku Buddha) is depicted by engraving lines.
岩壁を高さ13.8ｍにわたって光背形に掘り窪め、その中を平滑に仕上げた上で、像高11.5メートルの弥勒仏立像を線刻で表す。