In exchange for supplying war funds for the Otomo clan and the So clan in Tsushima, he obtained various privileges from Sorin OTOMO to establish his position as a wealthy merchant.
大友氏や、対馬の宗氏らの軍資金を調達する代わりに、大友宗麟から様々な特権を得て豪商としての地位を確立してゆく。