When the Sengoku Period (period of warring states) started later on (in Japan), economic measures like Rakuichi-Rakuza (free markets and open guilds) were taken under the daimyo-ryogoku system (the system where daimyos controlled feudal domains) by those including daimyos (Japanese territorial lords) and, as a result, the number of Kugonin rapidly decreased.
やがて戦国時代(日本)に入ると、戦国大名らによる大名領国制のもと楽市・楽座などの経済政策が執られ始めると、供御人は急速に減少した。