It was believed that ancient Japan had a path to Yomi and was connected to Ashihara Naka no Kuni (fictional Japan) by Yomotsuhirasaka (Slope of Yomotsuhira).
太古の日本には黄泉路が存在し、黄泉比良坂（よもつひらさか）で、葦原中国とつながっているとされる。