However, a man called TOSA no Yoichi taught people in Awa Province the Tosa method in 1781, and he then taught it to those in Izu Province in 1801; additionally another person taught it to those in Satsuma Province.
しかし印南浦の土佐与一（とさのよいち）という人物が安永10年（1781年）に安房国へ、享和元年（1801年）に伊豆国へ製法を広めてしまったほか、別の人物が薩摩国にも伝えてしまう。