GRAND SUMO in 2021 saw a new yokozuna grand champion. Terunofuji made an incredible comeback, won 4 out of 6 tournaments and took center stage of sumo, while the 2 veteran yokozuna Kakuryu and Hakuho retired. NHK sumo announcers look back at the change of era in GRAND SUMO and look ahead to the new "Terunofuji era" in 2022. The NHK WORLD-JAPAN sumo announcers close in on the deeper world of GRAND SUMO by answering questions sent from viewers.