This is what Shotaro Yachi said over the course of a meeting with Secretary of the Russian Security Council Nikolai Patrushev held in Moscow.
According to the newspaper, Yachi made such a statement, answering the relevant question raised by his counterpart.
In addition, the newspaper's source said that such “words of Yati were absolutely natural.” He explained that “when Japanese sovereignty is established on the Islands, they will automatically fall under the agreement on security guarantees between the U.S. and Japan.”