era during mid-1970s dominated by grand champions Wajima and Kitanoumi 輪湖 [りんこ] /(n) (sumo) era during mid-1970s dominated by grand champions Wajima and Kitanoumi/ ------- 輪湖時代 [りんこじだい] /(n) (sumo) era during mid-1970s dominated by grand champions Wajima and Kitanoumi/ |