Watch more GRAND SUMO on NHK WORLD-JAPAN!
https://www3.nhk.or.jp/nhkworld/en/ondemand/program/video/sumo/?cid=wohk-yt-2405-gsShonannoumi-hp
Learn more about GRAND SUMO here!
https://www3.nhk.or.jp/nhkworld/en/tv/sumo/?cid=wohk-yt-2405-gsShonannoumi-hp
Shonannoumi is a sumo wrestler hoping to make some big waves during his second summer in the top division ranks.