Three-time Olympic gold medalists Tadahiro Nomura and Saori Yoshida pose after lighting the Olympic Flame at the Olympic cauldron while watched by Tokyo 2020 Olympics President Yoshiro Mori (L) during a ceremony at Japan Air Self-Defense Force Matsushima Base in Higashi-Matsushima, Miyagi prefecture, northern Japan March 20, 2020. REUTERS/Issei Kato TPX IMAGES OF THE DAY 

Tokyo 2020 Olympics President Yoshiro Mori (C) receives Olympic Flame from Three-time Olympic gold medalists Tadahiro Nomura and Saori Yoshida during the Flame Arrival ceremony at Japan Air Self-Defense Force Matsushima Base in Higashi-Matsuhsima, Miyagi prefecture, northern Japan March 20, 2020. REUTERS/Issei Kato 

Three-time Olympic gold medalists Tadahiro Nomura and Saori Yoshida hold the Olympic Flame as they deplane after transporting it from Greece at a ceremony at Japan Air Self-Defense Force Matsushima Base in Higashi-Matsuhsima, Miyagi prefecture, northern Japan March 20, 2020. REUTERS/Issei Kato 

Three-time Olympic gold medalists Tadahiro Nomura and Saori Yoshida hold the Olympic Flame during the Olympic Flame arrival ceremony at Japan Air Self-Defense Force Matsushima Base in Higashi-Matsuhsima, Miyagi prefecture, northern Japan March 20, 2020. REUTERS/Issei Kato 

Three-time Olympic gold medalists Tadahiro Nomura and Saori Yoshida light the Olympic Flame at the Olympic cauldron during a ceremony at Japan Air Self-Defense Force Matsushima Base in Higashi-Matsuhsima, Miyagi prefecture, northern Japan March 20, 2020. REUTERS/Issei Kato 

Three-time Olympic gold medalists Tadahiro Nomura and Saori Yoshida pose after lighting the Olympic Flame at the Olympic cauldron during a ceremony at Japan Air Self-Defense Force Matsushima Base in Higashi-Matsuhsima, Miyagi prefecture, northern Japan March 20, 2020. REUTERS/Issei Kato 

Three-time Olympic gold medalists Tadahiro Nomura and Saori Yoshida pose after lighting the Olympic Flame at the Olympic cauldron during a ceremony at Japan Air Self-Defense Force Matsushima Base in Higashi-Matsuhsima, Miyagi prefecture, northern Japan March 20, 2020. REUTERS/Issei Kato 

Three-time Olympic gold medalists Tadahiro Nomura and Saori Yoshida pose after lighting the Olympic Flame at the Olympic cauldron during a ceremony at Japan Air Self-Defense Force Matsushima Base in Higashi-Matsuhsima, Miyagi prefecture, northern Japan March 20, 2020. REUTERS/Issei Kato 

Three-time Olympic gold medalists Tadahiro Nomura and Saori Yoshida pose after lighting the Olympic Flame at the Olympic cauldron while watched by Tokyo 2020 Olympics President Yoshiro Mori (L) during a ceremony at Japan Air Self-Defense Force Matsushima Base in Higashi-Matsuhsima, Miyagi prefecture, northern Japan March 20, 2020. REUTERS/Issei Kato 

Three-time Olympic gold medalists Tadahiro Nomura and Saori Yoshida light the Olympic Flame at the Olympic cauldron while watched by Tokyo 2020 Olympics President Yoshiro Mori during a ceremony at Japan Air Self-Defense Force Matsushima Base in Higashi-Matsuhsima, Miyagi prefecture, northern Japan March 20, 2020. REUTERS/Issei Kato 

Three-time Olympic gold medalists Tadahiro Nomura and Saori Yoshida light the Olympic Flame at the Olympic cauldron during a ceremony at Japan Air Self-Defense Force Matsushima Base in Higashi-Matsuhsima, Miyagi prefecture, northern Japan March 20, 2020. REUTERS/Issei Kato 

Three-time Olympic gold medalists Tadahiro Nomura and Saori Yoshida present the Olympic Flame after delivering it from Greece at a ceremony at Japan Air Self-Defense Force Matsushima Base in Higashi-Matsuhsima, Miyagi prefecture, northern Japan March 20, 2020. REUTERS/Issei Kato 

Three-time Olympic gold medalists Tadahiro Nomura and Saori Yoshida present the Olympic Flame after delivering it from Greece at a ceremony at Japan Air Self-Defense Force Matsushima Base in Higashi-Matsuhsima, Miyagi prefecture, northern Japan March 20, 2020. REUTERS/Issei Kato 

Tokyo 2020 Olympics President Yoshiro Mori flanked by three-time Olympic gold medalists Tadahiro Nomura and Saori Yoshida holds the Olympic Flame before a ceremony at Japan Air Self-Defense Force Matsushima Base in Higashi-Matsuhsima, Miyagi prefecture, northern Japan March 20, 2020. REUTERS/Issei Kato 

Three-time Olympic gold medalists Tadahiro Nomura and Saori Yoshida present the Olympic Flame as they step off the 'Tokyo 2020 Go' aircraft which transported the flame from Greece to Japan, at Japan Air Self-Defense Force Matsushima Base in Higashi-Matsuhsima, Miyagi prefecture, northern Japan March 20, 2020. REUTERS/Issei Kato 

Tokyo Metropolitan Governor Yuriko Koike (L), President of Japan Olympic Committee Takeda Tsunekazu (R), Japanese Olympic medallist Saori Yoshida (2nd L) and Paralympic medallist Yui Kamiji attend an opening ceremony before a parade of Japanese Olympic and Paralympic medallists in the street of Ginza, in Tokyo, Japan, October 7, 2016. REUTERS/David Mareuil/Pool 

Tokyo Metropolitan Governor Yuriko Koike (2nd L) and Japanese Olympic medallist Saori Yoshida (C) attend an opening ceremony before a parade of Japanese Olympic and Paralympic medallists in the street of Ginza, in Tokyo, Japan, October 7, 2016. REUTERS/David Mareuil/Pool 

(from L-R) Toshirou Muto, Secretary General of the Japan Olympic Committee, Yuriko Koike, Tokyo Metropolitan Governor, Takeda Tsunekazu, President of Japan Olympic Committee, Japanese Olympic medallist Saori Yoshida and Paralympic medallist Yui Kamiji, Shimabara Mitsumori, President of Japan Paralympic Committee, Tamayo Marukawa, Minister of Olympic and Paralympic, and Matsuno Hirokazu, Minister of Education attend an opening ceremony before a parade of Japanese Olympic and Paralympic medallists in the street of Ginza, in Tokyo, Japan, October 7, 2016. REUTERS/David Mareuil/Pool 

Japan's Olympic wrestler Saori Yoshida (L) and Para-triathlon athlete Mami Tani pose for photos during an opening celemony for the Tokyo 2020 Olympics and Paralympics promotional event "Go for 2020 Street" in Tokyo's Nihonbashi shopping and business district, Japan, September 20, 2016. REUTERS/Toru Hanai 

Japan's Olympic wrestler Saori Yoshida (bottom L) and Para-triathlon athlete Mami Tani pose for photos during an opening celemony for the Tokyo 2020 Olympics and Paralympics promotional event "Go for 2020 Street" in Tokyo's Nihonbashi shopping and business district, Japan, September 20, 2016. REUTERS/Toru Hanai 

Japan's Olympic wrestler Saori Yoshida (bottom L) and Para-triathlon athlete Mami Tani pose for photos during an opening celemony for the Tokyo 2020 Olympics and Paralympics promotional event "Go for 2020 Street" in Tokyo's Nihonbashi shopping and business district, Japan, September 20, 2016. REUTERS/Toru Hanai 

Japan's Olympic wrestler Saori Yoshida (bottom L) and Para-triathlon athlete Mami Tani pose for photos during an opening celemony for the Tokyo 2020 Olympics and Paralympics promotional event "Go for 2020 Street" in Tokyo's Nihonbashi shopping and business district, Japan, September 20, 2016. REUTERS/Toru Hanai TPX IMAGES OF THE DAY

Tokyo governor Yuriko Koike (4th R), Japanese Olympic Committee (JOC) President Takeda Tsunekazu (3rd R), Japan's Olympic team's sub-captain Keisuke Ushiro (3rd L) and captain Saori Yoshida (4th L) pose with the Olympic flag (R) and JOC flag during a ceremony to mark the arrival of the Olympic flag at Haneda airport in Tokyo, Japan, August 24, 2016. REUTERS/Kim Kyung-Hoon 

Japanese decathlete and flag bearer Keisuke Ushiro (L) bows with women's wrestler and team captain Saori Yoshida (C) as Crown Princess Masako looks on, during a team-forming ceremony ahead of the Japanese team's departure to the Rio 2016 Olympic Games, in Tokyo, Japan July 3, 2016. REUTERS/Issei Kato 

Japan's Saori Yoshida (blue) fights Mongolia's Byambatseren Sundev during her women's 55kg freestyle gold medal wrestling match at Dowon Gymnasium during the 2014 Asian Games in Incheon September 28, 2014. REUTERS/Tim Wimborne (SOUTH KOREA - Tags: SPORT WRESTLING) 

Japan's Saori Yoshida (blue) fights Mongolia's Byambatseren Sundev during her women's 55kg freestyle gold medal wrestling match at Dowon Gymnasium during the 2014 Asian Games in Incheon September 28, 2014. REUTERS/Tim Wimborne (SOUTH KOREA - Tags: SPORT WRESTLING) 

Japan's gold medallist Saori Yoshida, Mongolia's silver medallist Byambatseren Sundev and bronze medallist Kyrgyzstan's Aisuluu Tynybekova and China's Zhong Xuechun pose during the medal ceremony for the women's 55kg freestyle wrestling competition at Dowon Gymnasium during the 2014 Asian Games in Incheon September 28, 2014. REUTERS/Tim Wimborne (SOUTH KOREA - Tags: SPORT WRESTLING) 

Japan's Saori Yoshida poses with her gold medal after winning the women's 55kg freestyle wrestling competition at Dowon Gymnasium during the 2014 Asian Games in Incheon September 28, 2014. REUTERS/Tim Wimborne (SOUTH KOREA - Tags: SPORT WRESTLING) 

Japan's Saori Yoshida (blue) fights Mongolia's Byambatseren Sundev during her women's 55kg freestyle gold medal wrestling match at Dowon Gymnasium during the 2014 Asian Games in Incheon September 28, 2014. REUTERS/Tim Wimborne (SOUTH KOREA - Tags: SPORT WRESTLING) 

Japan's Saori Yoshida celebrates defeating Mongolia's Byambatseren Sundev in their women's 55kg freestyle gold medal wrestling match at Dowon Gymnasium during the 2014 Asian Games in Incheon September 28, 2014. REUTERS/Tim Wimborne (SOUTH KOREA - Tags: SPORT WRESTLING) 

Japan's Saori Yoshida celebrates defeating Mongolia's Byambatseren Sundev in their women's 55kg freestyle gold medal wrestling match at Dowon Gymnasium during the 2014 Asian Games in Incheon September 28, 2014. REUTERS/Tim Wimborne (SOUTH KOREA - Tags: SPORT WRESTLING) 

Japan's Saori Yoshida celebrates defeating Mongolia's Byambatseren Sundev in their women's 55kg freestyle gold medal wrestling match at Dowon Gymnasium during the 2014 Asian Games in Incheon September 28, 2014. REUTERS/Tim Wimborne (SOUTH KOREA - Tags: SPORT WRESTLING) 

Japan's Saori Yoshida (blue) fights Mongolia's Byambatseren Sundev during her women's 55kg freestyle gold medal wrestling match at Dowon Gymnasium during the 2014 Asian Games in Incheon September 28, 2014. REUTERS/Tim Wimborne (SOUTH KOREA - Tags: SPORT WRESTLING) 

Japan's Saori Yoshida (blue) fights Mongolia's Byambatseren Sundev during her women's 55kg freestyle gold medal wrestling match at Dowon Gymnasium during the 2014 Asian Games in Incheon September 28, 2014. REUTERS/Tim Wimborne (SOUTH KOREA - Tags: SPORT WRESTLING) 

Japan's Saori Yoshida (blue) fights Mongolia's Byambatseren Sundev during their women's 55kg freestyle gold medal wrestling match at Dowon Gymnasium at the 2014 Asian Games in Incheon September 28, 2014. REUTERS/Tim Wimborne (SOUTH KOREA - Tags: SPORT WRESTLING) 

Saori Yoshida, Japan's three-time Olympics wrestling gold medallist, holds a torch next to the Olympic cauldron during a torch relay at the final event to bid farewell to the National Olympic Stadium, which will be demolished to make way for a new stadium, in Tokyo May 31, 2014. A revised plan for the new stadium, which will be used for the 2020 Olympics, is still so wasteful and large for the site that it is a "sin" - one that also destroys the power of the original design, said a Tokyo architect running a petition drive against the structure. REUTERS/Yuya Shino (JAPAN - Tags: SPORT OLYMPICS) 

Saori Yoshida, Japan's three-time Olympics wrestling gold medallist, holding a torch, goes up the stairs to the Olympic cauldron during a torch relay at the final event to bid farewell to the National Olympic Stadium, which will be demolished to make way for a new stadium, in Tokyo May 31, 2014. A revised plan for the new stadium, which will be used for the 2020 Olympics, is still so wasteful and large for the site that it is a "sin" - one that also destroys the power of the original design, said a Tokyo architect running a petition drive against the structure. REUTERS/Yuya Shino (JAPAN - Tags: SPORT OLYMPICS) 

A man holding a wallet walks past an electronic board displaying a news photo of Japan's three-time Olympics wrestling gold medallists Saori Yoshida (R) and Kaori Icho as wrestling wins back its Olympic spot for the 2020 Tokyo Games at Tokyo train station September 9, 2013. Japan's benchmark Nikkei average opened up more than 2 percent higher on Monday, buoyed by anticipations that Tokyo's victory to host the 2020 Summer Olympics will give a boost to the nation's economy. REUTERS/Yuya Shino (JAPAN - Tags: BUSINESS SPORT OLYMPICS) 

Pedestrians walk past a poster of three-time Olympics wrestling gold medallist Saori Yoshidao of Japan, an advertisement for the Tokyo 2020 bid, at Shibuya train station building September 8, 2013. Prime Minister Shinzo Abe praised Tokyo's triumphant bid to host the 2020 Olympic Games as an opportunity to showcase Japan's resurgence after a devastating earthquake, but stressed the city must work to win the world's trust. REUTERS/Yuya Shino (JAPAN - Tags: SPORT OLYMPICS SOCIETY WRESTLING) 

Japan's Prime Minister Shinzo Abe (R), Japanese Olympic Committee (JOC) President Tsunekazu Takeda (2nd R) pose with the Tokyo 2020 Olympic and Paralympic bid logo together with Japan Paralympic Committee (JPC) President Mitsunori Torihara (2nd L) and London Olympics gold medallist Saori Yoshida at Abe's official residence in Tokyo January 8, 2013. REUTERS/Itsuo Inouye/Pool (JAPAN - Tags: SPORT OLYMPICS POLITICS) 

Saori Yoshida (R), three consecutive Olympic gold medal winning wrestler, poses before she rings a bell during a ceremony marking the end of trading in 2012 at the Tokyo Stock Exchange in Tokyo December 28, 2012. Japan's Nikkei average rose to a 21-month high on Friday, posting its best yearly gain since 2005 on the last trading day of the year as exporters were buoyed by a weaker yen on expectations of aggressive monetary stimulus under Japan's new Prime Minister. REUTERS/Kim Kyung-Hoon (JAPAN - Tags: BUSINESS SPORT WRESTLING) 

London Olympics gold medalists Kaoru Matsumoto (5th R), Saori Yoshida (6th R) and Ryota Murata (8th R) talk with Japan's Emperor Akihito (3rd L), Empress Michiko (2nd L) and Crown Prince Naruhito (L) at the annual autumn garden party in Tokyo October 25, 2012. About 2,100 people were invited to the garden party hosted by the Emperor and Empress on Thursday. REUTERS/Issei Kato (JAPAN - Tags: ROYALS ENTERTAINMENT SPORT OLYMPICS) 

Japan's Saori Yoshida celebrates her victory over Canada's Tonya Lynn Verbeek on the final of the Women's 55Kg Freestyle wrestling at the ExCel venue during the London 2012 Olympic Games August 9, 2012. REUTERS/Grigory Dukor (BRITAIN - Tags: OLYMPICS SPORT WRESTLING TPX IMAGES OF THE DAY)

(L to R) Canada's Tonya Lynn Verbeek , Japan's Saori Yoshida, Colombia's Jackeline Renteria Castillo and Azerbaijan's Yuliya Ratkevich pose at the podium of the Women's 55Kg Freestyle wrestling at the ExCel venue during the London 2012 Olympic Games August 9, 2012. REUTERS/Grigory Dukor (BRITAIN - Tags: OLYMPICS SPORT WRESTLING)

Japan's Saori Yoshida celebrates her victory over Canada's Tonya Lynn Verbeek on the final of the Women's 55Kg Freestyle wrestling at the ExCel venue during the London 2012 Olympic Games August 9, 2012. REUTERS/Grigory Dukor (BRITAIN - Tags: OLYMPICS SPORT WRESTLING)

(L to R) Canada's Tonya Lynn Verbeek , Japan's Saori Yoshida, Colombia's Jackeline Renteria Castillo and Azerbaijan's Yuliya Ratkevich pose at the podium of the Women's 55Kg Freestyle wrestling at the ExCel venue during the London 2012 Olympic Games August 9, 2012. REUTERS/Damir Sagolj (BRITAIN - Tags: OLYMPICS SPORT WRESTLING)

Japan's Saori Yoshida (R) and Canada's Tonya Lynn Verbeek pose at the podium of the Women's 55Kg Freestyle wrestling at the ExCel venue during the London 2012 Olympic Games August 9, 2012. REUTERS/Damir Sagolj (BRITAIN - Tags: OLYMPICS SPORT WRESTLING)

Japan's Saori Yoshida (R) and Canada's Tonya Lynn Verbeek pose at the podium of the Women's 55Kg Freestyle wrestling at the ExCel venue during the London 2012 Olympic Games August 9, 2012. REUTERS/Damir Sagolj (BRITAIN - Tags: OLYMPICS SPORT WRESTLING)

Japan's Saori Yoshida (R) and Canada's Tonya Lynn Verbeek pose at the podium of the Women's 55Kg Freestyle wrestling at the ExCel venue during the London 2012 Olympic Games August 9, 2012. REUTERS/Grigory Dukor (BRITAIN - Tags: OLYMPICS SPORT WRESTLING)

Japan's Saori Yoshida poses with her third consecutive Olympic gold medal at the podium of the Women's 55Kg Freestyle wrestling at the ExCel venue during the London 2012 Olympic Games August 9, 2012. REUTERS/Damir Sagolj (BRITAIN - Tags: OLYMPICS SPORT WRESTLING TPX IMAGES OF THE DAY)

Japan's Saori Yoshida kisses her gold medal at the podium of the Women's 55Kg Freestyle wrestling at the ExCel venue during the London 2012 Olympic Games August 9, 2012. REUTERS/Suhaib Salem (BRITAIN - Tags: OLYMPICS SPORT WRESTLING)

Japan's Saori Yoshida kisses her gold medal at the podium of the Women's 55Kg Freestyle wrestling at the ExCel venue during the London 2012 Olympic Games August 9, 2012. REUTERS/Suhaib Salem (BRITAIN - Tags: OLYMPICS SPORT WRESTLING)

Japan's Saori Yoshida bites her gold medal at the podium of the Women's 55Kg Freestyle wrestling at the ExCel venue during the London 2012 Olympic Games August 9, 2012. REUTERS/Suhaib Salem (BRITAIN - Tags: OLYMPICS SPORT WRESTLING)

Japan's Saori Yoshida (in blue) fights with Canada's Tonya Lynn Verbeek on the final of the Women's 55Kg Freestyle wrestling at the ExCel venue during the London 2012 Olympic Games August 9, 2012. REUTERS/Damir Sagolj (BRITAIN - Tags: OLYMPICS SPORT WRESTLING)

Japan's Saori Yoshida (in blue) fights with Canada's Tonya Lynn Verbeek on the final of the Women's 55Kg Freestyle wrestling at the ExCel venue during the London 2012 Olympic Games August 9, 2012. REUTERS/Damir Sagolj (BRITAIN - Tags: OLYMPICS SPORT WRESTLING)

Japan's Saori Yoshida reacts after defeating Canada's Tonya Lynn Verbeek on the final of the Women's 55Kg Freestyle wrestling at the ExCel venue during the London 2012 Olympic Games August 9, 2012. REUTERS/Damir Sagolj (BRITAIN - Tags: OLYMPICS SPORT WRESTLING)

Japan's Saori Yoshida reacts after defeating Canada's Tonya Lynn Verbeek on the final of the Women's 55Kg Freestyle wrestling at the ExCel venue during the London 2012 Olympic Games August 9, 2012. REUTERS/Damir Sagolj (BRITAIN - Tags: OLYMPICS SPORT WRESTLING)

Japan's Saori Yoshida reacts after defeating Canada's Tonya Lynn Verbeek on the final of the Women's 55Kg Freestyle wrestling at the ExCel venue during the London 2012 Olympic Games August 9, 2012. REUTERS/Damir Sagolj (BRITAIN - Tags: OLYMPICS SPORT WRESTLING)

Japan's Saori Yoshida celebrates after defeating Canada's Tonya Lynn Verbeek on the final of the Women's 55Kg Freestyle wrestling at the ExCel venue during the London 2012 Olympic Games August 9, 2012. REUTERS/Grigory Dukor (BRITAIN - Tags: OLYMPICS SPORT WRESTLING)

Japan's Saori Yoshida reacts after defeating Canada's Tonya Lynn Verbeek on the final of the Women's 55Kg Freestyle wrestling at the ExCel venue during the London 2012 Olympic Games August 9, 2012. REUTERS/Grigory Dukor (BRITAIN - Tags: OLYMPICS SPORT WRESTLING)