Influenced by such an interest in the East Asia, on the next day of June seventh (old calendar), 1582, when Hideyoshi TOYOTOMI went back to Himeji-jo Castle on the occasion of Chugoku Ogaeshi, responding to the Honnoji Incident, Korenori KAMEI answered 'I would like to receive Ryukyu Province,' to Hideyoshi when asked which province he wanted as a reward instead of the half of Izumo Province, which had been promised to Korenori but became no longer available because of the pacification with the Mori clan.
亀井茲矩はこうした東アジアへの関心に影響されてか、1582年に豊臣秀吉が本能寺の変に対応して中国大返しによって姫路城に戻った6月7日の翌日、毛利と講和したため茲矩に約束していた出雲半国を与えられなくなった代わりに恩賞となる別国の希望を聞いたところ「琉球国を賜りたい」と答えた。