also: かっかい
sumo world; world of sumo
Refers to the entire professional sumo community, including wrestlers, stablemasters, and the Japan Sumo Association.
He is a famous wrestler in the sumo world.
The customs of the sumo world are unique.
He entered the sumo world right after graduating high school.
That wrestler left the sumo world due to injury.
The yokozuna is the one who stands at the top of the sumo world.