Foreign Minister Kamikawa was visiting Rio de Janeiro, Brazil, to attend the G20 foreign ministers' meeting of 20 major countries. He had a 30-minute meeting with Foreign Minister Vieira, who served as the chairperson, on the morning of the 23rd, Japan time.

Kamikawa expressed his desire to work closely with the United Nations Security Council, which has been pointed out to be dysfunctional. He said he would like to lead reforms in the G4, which includes Japan, Brazil and Germany, aiming to achieve the same goal.