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Definition of Koen-kai
1. Noun. (sumo) a sumo fan club, either for a heya or for a particular rikishi; a useful source of money ¹
¹ Source: wiktionary.com
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1. Noun. (sumo) a sumo fan club, either for a heya or for a particular rikishi; a useful source of money ¹
¹ Source: wiktionary.com