Japan's Emperor Naruhito and Empress Masako, along with members of the royal family, attend the spring garden party at the Akasaka Palace imperial garden in Tokyo, Japan May 11, 2023. Yuichi Yamazaki/Pool via REUTERS 

Japan's Emperor Naruhito and Empress Masako, along with members of the royal family, attend the spring garden party at the Akasaka Palace imperial garden in Tokyo, Japan May 11, 2023. Yuichi Yamazaki/Pool via REUTERS 

Japan's Emperor Naruhito and Empress Masako, along with members of the royal family, walk to greet guests during the spring garden party at the Akasaka Palace imperial garden in Tokyo, Japan May 11, 2023. Yuichi Yamazaki/Pool via REUTERS 

Ukraine's ambassador to Japan Sergiy Korsunsky speaks during an interview with Reuters at Ukraine Embassy in Tokyo, Japan May 8, 2023. REUTERS/Issei Kato 

Ukraine's ambassador to Japan Sergiy Korsunsky speaks during an interview with Reuters at Ukraine Embassy in Tokyo, Japan May 8, 2023. REUTERS/Issei Kato 

Ukraine's ambassador to Japan Sergiy Korsunsky speaks during an interview with Reuters at Ukraine Embassy in Tokyo, Japan May 8, 2023. REUTERS/Issei Kato 

Ukraine's ambassador to Japan Sergiy Korsunsky speaks during an interview with Reuters at Ukraine Embassy in Tokyo, Japan May 8, 2023. REUTERS/Issei Kato 

Ukraine's ambassador to Japan Sergiy Korsunsky speaks during an interview with Reuters at Ukraine Embassy in Tokyo, Japan May 8, 2023. REUTERS/Issei Kato 

Ukraine's ambassador to Japan Sergiy Korsunsky speaks during an interview with Reuters at Ukraine Embassy in Tokyo, Japan May 8, 2023. REUTERS/Issei Kato 

Ukraine's ambassador to Japan Sergiy Korsunsky speaks during an interview with Reuters at Ukraine Embassy in Tokyo, Japan May 8, 2023. REUTERS/Issei Kato 

Japanese Prime Minister Fumio Kishida and his wife Yuko arrive for a visit to National Cemetery on May 07, 2023 in Seoul, South Korea. Japanese Prime Minister Fumio Kishida is currently in South Korea for discussions with South Korean President Yoon Suk Yeol. The visit comes ahead of the upcoming G7 summit, scheduled to take place in Tokyo from May 19th to May 21st, 2023. Chung Sung-Jun/Pool via REUTERS 

SEOUL, SOUTH KOREA - MAY 07: Japanese Prime Minister Fumio Kishida and his wife Yuko pay a silent tribute during a visit to National Cemetery on May 07, 2023 in Seoul, South Korea. Japanese Prime Minister Fumio Kishida is currently in South Korea for discussions with South Korean President Yoon Suk Yeol. The visit comes ahead of the upcoming G7 summit, scheduled to take place in Tokyo from May 19th to May 21st, 2023. Chung Sung-Jun/Pool via REUTERS 

Japanese Prime Minister Fumio Kishida and his wife Yuko pay a silent tribute during a visit to National Cemetery on May 07, 2023 in Seoul, South Korea. Japanese Prime Minister Fumio Kishida is currently in South Korea for discussions with South Korean President Yoon Suk Yeol. The visit comes ahead of the upcoming G7 summit, scheduled to take place in Tokyo from May 19th to May 21st, 2023. Chung Sung-Jun/Pool via REUTERS 

SEOUL, SOUTH KOREA - MAY 07: Japanese Prime Minister Fumio Kishida and his wife Yuko pay a silent tribute during a visit to National Cemetery on May 07, 2023 in Seoul, South Korea. Japanese Prime Minister Fumio Kishida is currently in South Korea for discussions with South Korean President Yoon Suk Yeol. The visit comes ahead of the upcoming G7 summit, scheduled to take place in Tokyo from May 19th to May 21st, 2023. Chung Sung-Jun/Pool via REUTERS 

Japanese Prime Minister Fumio Kishida lays a wreath during a visit to National Cemetery on May 07, 2023 in Seoul, South Korea. Japanese Prime Minister Fumio Kishida is currently in South Korea for discussions with South Korean President Yoon Suk Yeol. The visit comes ahead of the upcoming G7 summit, scheduled to take place in Tokyo from May 19th to May 21st, 2023. Chung Sung-Jun/Pool via REUTERS 

SEOUL, SOUTH KOREA - MAY 07: Japanese Prime Minister Fumio Kishida burns incense as his wife Yuko stands during a visit to National Cemetery on May 07, 2023 in Seoul, South Korea. Japanese Prime Minister Fumio Kishida is currently in South Korea for discussions with South Korean President Yoon Suk Yeol. The visit comes ahead of the upcoming G7 summit, scheduled to take place in Tokyo from May 19th to May 21st, 2023. Chung Sung-Jun/Pool via REUTERS 

Japanese Prime Minister Fumio Kishida lays a wreath during a visit to National Cemetery on May 07, 2023 in Seoul, South Korea. Japanese Prime Minister Fumio Kishida is currently in South Korea for discussions with South Korean President Yoon Suk Yeol. The visit comes ahead of the upcoming G7 summit, scheduled to take place in Tokyo from May 19th to May 21st, 2023. Chung Sung-Jun/Pool via REUTERS 

SEOUL, SOUTH KOREA - MAY 07: Japanese Prime Minister Fumio Kishida burns incense as his wife Yuko stands during a visit to National Cemetery on May 07, 2023 in Seoul, South Korea. Japanese Prime Minister Fumio Kishida is currently in South Korea for discussions with South Korean President Yoon Suk Yeol. The visit comes ahead of the upcoming G7 summit, scheduled to take place in Tokyo from May 19th to May 21st, 2023. Chung Sung-Jun/Pool via REUTERS 

Japanese Prime Minister Fumio Kishida and his wife Yuko pay a silent tribute during a visit to National Cemetery on May 07, 2023 in Seoul, South Korea. Japanese Prime Minister Fumio Kishida is currently in South Korea for discussions with South Korean President Yoon Suk Yeol. The visit comes ahead of the upcoming G7 summit, scheduled to take place in Tokyo from May 19th to May 21st, 2023. Chung Sung-Jun/Pool via REUTERS 

SEOUL, SOUTH KOREA - MAY 07: Japanese Prime Minister Fumio Kishida and his wife Yuko pay a silent tribute during a visit to National Cemetery on May 07, 2023 in Seoul, South Korea. Japanese Prime Minister Fumio Kishida is currently in South Korea for discussions with South Korean President Yoon Suk Yeol. The visit comes ahead of the upcoming G7 summit, scheduled to take place in Tokyo from May 19th to May 21st, 2023. Chung Sung-Jun/Pool via REUTERS 

Japanese Prime Minister Fumio Kishida and his wife Yuko arrive for a visit to National Cemetery on May 07, 2023 in Seoul, South Korea. Japanese Prime Minister Fumio Kishida is currently in South Korea for discussions with South Korean President Yoon Suk Yeol. The visit comes ahead of the upcoming G7 summit, scheduled to take place in Tokyo from May 19th to May 21st, 2023. Chung Sung-Jun/Pool via REUTERS 

Japanese Prime Minister Fumio Kishida and his wife Yuko arrive for a visit to National Cemetery on May 07, 2023 in Seoul, South Korea. Japanese Prime Minister Fumio Kishida is currently in South Korea for discussions with South Korean President Yoon Suk Yeol. The visit comes ahead of the upcoming G7 summit, scheduled to take place in Tokyo from May 19th to May 21st, 2023. Chung Sung-Jun/Pool via REUTERS 

A man walks past an electric monitor displaying Nikkei share average and the Japanese yen exchange rate against the U.S. dollar outside a brokerage in Tokyo, Japan May 2, 2023. REUTERS/Issei Kato 

A man walks past an electric monitor displaying the Japanese yen exchange rate against the U.S. dollar, Euro and other foreign currencies outside a brokerage in Tokyo, Japan May 2, 2023. REUTERS/Issei Kato 

A passerby is reflected on an electric monitor displaying the graph of recent moments of the Japanese yen exchange rate against the U.S. dollar outside a brokerage in Tokyo, Japan May 2, 2023. REUTERS/Issei Kato TPX IMAGES OF THE DAY 

Japan's Minister for Economic Revitalisation Shigeyuki Goto speaks during an interview with Reuters in Tokyo, Japan May 2, 2023. REUTERS/Issei Kato 

Japan's Minister for Economic Revitalisation Shigeyuki Goto speaks during an interview with Reuters in Tokyo, Japan May 2, 2023. REUTERS/Issei Kato 

Japan's Minister for Economic Revitalisation Shigeyuki Goto speaks during an interview with Reuters in Tokyo, Japan May 2, 2023. REUTERS/Issei Kato 

Japan's Minister for Economic Revitalisation Shigeyuki Goto speaks during an interview with Reuters in Tokyo, Japan May 2, 2023. REUTERS/Issei Kato 

Japan's Minister for Economic Revitalisation Shigeyuki Goto speaks during an interview with Reuters in Tokyo, Japan May 2, 2023. REUTERS/Issei Kato 

Japan's Minister for Economic Revitalisation Shigeyuki Goto speaks during an interview with Reuters in Tokyo, Japan May 2, 2023. REUTERS/Issei Kato 

Japan's Minister for Economic Revitalisation Shigeyuki Goto poses for a photograph during an interview with Reuters in Tokyo, Japan May 2, 2023. REUTERS/Issei Kato 

Traditional carp-shaped windsocks called "Koinobori", a symbol of good health and strength for children, hung over a canal ahead of a traditional part of celebrations for Children's Day, which will take place on May 5, near Tokyo Skytree in Tokyo, Japan May 1, 2023. REUTERS/Issei Kato 

Traditional carp-shaped windsocks called "Koinobori", a symbol of good health and strength for children, hung over a canal ahead of a traditional part of celebrations for Children's Day, which will take place on May 5, near Tokyo Skytree in Tokyo, Japan May 1, 2023. REUTERS/Issei Kato 

Traditional carp-shaped windsocks called "Koinobori", a symbol of good health and strength for children, are displayed ahead of a traditional part of celebrations for Children's Day, which will take place on May 5, under Tokyo Skytree in Tokyo, Japan May 1, 2023. REUTERS/Issei Kato 

Traditional carp-shaped windsocks called "Koinobori", a symbol of good health and strength for children, hung over a canal ahead of a traditional part of celebrations for Children's Day, which will take place on May 5, near Tokyo Skytree in Tokyo, Japan May 1, 2023. REUTERS/Issei Kato 

Traditional carp-shaped windsocks called "Koinobori", a symbol of good health and strength for children, hung over a canal ahead of a traditional part of celebrations for Children's Day, which will take place on May 5, near Tokyo Skytree in Tokyo, Japan May 1, 2023. REUTERS/Issei Kato TPX IMAGES OF THE DAY 

Traditional carp-shaped windsocks called "Koinobori", a symbol of good health and strength for children, hung over a canal ahead of a traditional part of celebrations for Children's Day, which will take place on May 5, near Tokyo Skytree in Tokyo, Japan. May 1, 2023. REUTERS/Issei Kato 

Passengers stand in an international flight departure lobby as Japan enters the Golden Week holiday season after the lifting of coronavirus disease (COVID-19) countermeasures, at Tokyo International Airport, commonly known as Haneda Airport, in Tokyo, Japan April 29, 2023. REUTERS/Issei Kato 

Passengers stand in an international flight departure lobby as Japan enters the Golden Week holiday season after the lifting of coronavirus disease (COVID-19) countermeasures, at Tokyo International Airport, commonly known as Haneda Airport, in Tokyo, Japan April 29, 2023. REUTERS/Issei Kato 

Passengers stand in an international flight departure lobby as Japan enters the Golden Week holiday season after the lifting of coronavirus disease (COVID-19) countermeasures, at Tokyo International Airport, commonly known as Haneda Airport, in Tokyo, Japan April 29, 2023. REUTERS/Issei Kato 

A ground crew member of Japan Airlines (JAL) is seen next to their airplane at Tokyo International Airport, also known as Haneda Airport, in Tokyo, Japan April 29, 2023. REUTERS/Issei Kato 

All Nippon Airways (ANA) President and CEO Shinichi Inoue speaks to media at Haneda Airport in Tokyo, Japan April 29, 2023. REUTERS/Issei Kato 

All Nippon Airways (ANA) President and CEO Shinichi Inoue speaks to media at Haneda Airport in Tokyo, Japan April 29, 2023. REUTERS/Issei Kato 

A Japan Airlines (JAL) aircraft approaches to land at Tokyo International Airport, also known as Haneda Airport, in Tokyo, Japan April 29, 2023. REUTERS/Issei Kato 

Members of the Japanese Trade Union Confederation, commonly known as Rengo, raise their fists as they shout Gambaro and cheer during their annual May Day rally to demand higher pay and better working conditions, in Tokyo, Japan April 29, 2023. REUTERS/Issei Kato 

Security police officers stand guard as Japan's Prime Minister Fumio Kishida attends the annual May Day rally, organised by the Japanese Trade Union Confederation, commonly known as Rengo, in Tokyo, Japan April 29, 2023. REUTERS/Issei Kato 

Japan's Prime Minister Fumio Kishida delivers a speech during their annual May Day rally, organised by the Japanese Trade Union Confederation, commonly known as Rengo, to demand higher pay and better working conditions, in Tokyo, Japan April 29, 2023. REUTERS/Issei Kato 

Japan's Prime Minister Fumio Kishida delivers a speech during their annual May Day rally, organised by the Japanese Trade Union Confederation, commonly known as Rengo, to demand higher pay and better working conditions, in Tokyo, Japan April 29, 2023. REUTERS/Issei Kato 

Tomoko Yoshino, President of the Japanese Trade Union Confederation, commonly known as Rengo, delivers a speech as Japan's Prime Minister Fumio Kishida sits during their annual May Day rally to demand higher pay and better working conditions, in Tokyo, Japan April 29, 2023. REUTERS/Issei Kato 

Security police officers stand guard as Japan's Prime Minister Fumio Kishida attends the annual May Day rally, organised by the Japanese Trade Union Confederation, commonly known as Rengo, in Tokyo, Japan April 29, 2023. REUTERS/Issei Kato 

Japan's Prime Minister Fumio Kishida delivers a speech during their annual May Day rally, organised by the Japanese Trade Union Confederation, commonly known as Rengo, to demand higher pay and better working conditions, in Tokyo, Japan April 29, 2023. REUTERS/Issei Kato 

Tomoko Yoshino, President of the Japanese Trade Union Confederation, commonly known as Rengo, delivers a speech during their annual May Day rally to demand higher pay and better working conditions, in Tokyo, Japan April 29, 2023. REUTERS/Issei Kato 

Members of the Japanese Trade Union Confederation, commonly known as Rengo, gather at their annual May Day rally to demand higher pay and better working conditions, in Tokyo, Japan April 29, 2023. REUTERS/Issei Kato 

Members of the Japanese Trade Union Confederation, commonly known as Rengo, raise their fists as they shout Gambaro and cheer during their annual May Day rally to demand higher pay and better working conditions, in Tokyo, Japan April 29, 2023. REUTERS/Issei Kato 

Members of the Japanese Trade Union Confederation, commonly known as Rengo, raise their fists as they shout Gambaro and cheers during their annual May Day rally to demand higher pay and better working conditions, in Tokyo, Japan April 29, 2023. REUTERS/Issei Kato 

Japan's Prime Minister Fumio Kishida, flanked by Health, Labour, and Welfare Minister Katsunobu Kato, attends an annual May Day rally, organised by the Japanese Trade Union Confederation, commonly known as Rengo, to demand higher pay and better working conditions, in Tokyo, Japan April 29, 2023. REUTERS/Issei Kato 

Japan's Prime Minister Fumio Kishida attends an annual May Day rally, organised by the Japanese Trade Union Confederation, commonly known as Rengo, to demand higher pay and better working conditions, in Tokyo, Japan April 29, 2023. REUTERS/Issei Kato 

Yukio Kani, JERA's Global Chief Executive Officer and Chairman, poses for a photograph during an interview with Reuters in Tokyo, Japan April 19, 2023. REUTERS/Katya Golubkova 

Bank of Japan (BOJ) Governor Kazuo Ueda attends a news conference after their policy meeting at BOJ headquarters in Tokyo, Japan April 28, 2023. REUTERS/Issei Kato