Japan Princess Ayako's Engagement Announcement at a Press Conference at the Imperial Household Agency in Tokyo on July 2, 2018

Kei Moriya, the fiance of Japanese Princess Ayako, the youngest daughter of Emperor Akihito's late cousin Prince Takamado, is pictured outside his home in Tokyo on July 2, 2018. The two will become officially engaged on Aug. 12 and hold a wedding ceremony on Oct. 29.

Kei Moriya, the fiance of Japanese Princess Ayako, the youngest daughter of Emperor Akihito's late cousin Prince Takamado, is pictured outside his home in Tokyo on July 2, 2018. The two will become officially engaged on Aug. 12 and hold a wedding ceremony on Oct. 29.

Princess Ayako (L), the youngest daughter of Emperor Akihito's late cousin Prince Takamado, and her mother Princess Hisako leave the Akasaka Estate, where they reside, in Tokyo on July 2, 2018, to meet with Empress Michiko. Princess Ayako will marry Kei Moriya, who works for major shipping firm Nippon Yusen K.K., on Oct. 29, 2018.

Princess Ayako, the youngest daughter of Emperor Akihito's late cousin Prince Takamado, and Kei Moriya attend a press conference at the Imperial Household Agency in Tokyo on July 2, 2018, following an official announcement of their engagement earlier in the day.

Japanese Princess Ayako, the youngest daughter of Emperor Akihito's late cousin Prince Takamado, arrives at the Imperial Palace, in Tokyo on July 2, 2018, to meet with Empress Michiko. Princess Ayako will marry Kei Moriya, who works for major shipping firm Nippon Yusen K.K., on Oct. 29, 2018.

Princess Ayako, the youngest daughter of Emperor Akihito's late cousin Prince Takamado, leaves the Akasaka Estate, the residence of the princess, in Tokyo on July 2, 2018, to meet with Empress Michiko. Princess Ayako will marry Kei Moriya, who works for major shipping firm Nippon Yusen K.K., on Oct. 29, 2018.

Princess Ayako, the youngest daughter of Emperor Akihito's late cousin Prince Takamado, leaves the Akasaka Estate, the residence of the princess, in Tokyo on July 2, 2018, to meet with Empress Michiko. Princess Ayako will marry Kei Moriya, who works for major shipping firm Nippon Yusen K.K., on Oct. 29, 2018.

Princess Ayako, the youngest daughter of Emperor Akihito's late cousin Prince Takamado, and Kei Moriya attend a press conference at the Imperial Household Agency in Tokyo on July 2, 2018, following an official announcement of their engagement earlier in the day.

Princess Ayako, the youngest daughter of Emperor Akihito's late cousin Prince Takamado, and Kei Moriya attend a press conference at the Imperial Household Agency in Tokyo on July 2, 2018, following an official announcement of their engagement earlier in the day.

Japanese Princess Ayako (L), the youngest daughter of Emperor Akihito's late cousin Prince Takamado, and her mother Princess Hisako leave the Imperial Palace in Tokyo on July 2, 2018, after meeting with Empress Michiko. Princess Ayako will marry Kei Moriya, who works for major shipping firm Nippon Yusen K.K., on Oct. 29, 2018.

Princess Ayako, the youngest daughter of Emperor Akihito's late cousin Prince Takamado, and Kei Moriya attend a press conference at the Imperial Household Agency in Tokyo on July 2, 2018, following an official announcement of their engagement earlier in the day.

Princess Ayako, the youngest daughter of Emperor Akihito's late cousin Prince Takamado, and Kei Moriya attend a press conference at the Imperial Household Agency in Tokyo on July 2, 2018, following an official announcement of their engagement earlier in the day.

Princess Ayako, the youngest daughter of Emperor Akihito's late cousin Prince Takamado, and Kei Moriya attend a press conference at the Imperial Household Agency in Tokyo on July 2, 2018, following an official announcement of their engagement earlier in the day.

Princess Mako (right) is engaged to Kei Komuro (left). But in Japan women are not allowed to succeed the throne, meaning that when the pair, both 25, tie the knot, she will lose her status

Emperor Akihito (left, with Empress Michiko at the centenary reception of the foundation of the America-Japan Society in Tokyo in April this year) has won plaudits for seizing upon the constitutionally-prescribed role of national symbol

Japan's Emperor Akihito (front left) and Empress Michiko (front right) mingle with members of the royal family during a spring garden party at the Akasaka Palace imperial garden in Tokyo on April 20, 2017

Princess Ayako said she had met Kei Moriya (L) in December last year and fallen in love with his 'kind, smart and decisive' personality

Japan's Princess Ayako has unveiled her 'commoner' fiance to the world ahead of a marriage which will mean the end of her royal status.

Princess Ayako and Kei Moriya will marry on October 29 at Tokyo's Meiji Jingu shrine, as Ayako becomes the second Japanese princess in less than two years to marry a commoner.

Journalists watch on as Princess Ayako and her fiance Kei Moriya speak to the press today, July 2, 2018

Japan's Princess Ayako (right) has unveiled her 'commoner' fiance Kei Moriya (left) to the world ahead of a marriage which will mean the end of her royal status

In September last year, Princess Mako, Emperor Akihito's oldest grandchild, and her college classmate Kei Komuro announced their engagement.

Kei Komuro, engaged to Princess Mako, the first grandchild of Emperor Akihito, speaks to reporters in Tokyo on May 17, 2017. Komuro, a former fellow student with the Princess at International Christian University, works at a Tokyo law firm while attending Hitotsubashi University's graduate school.

All grown up: Princess Mako (then four), father Prince Akishino, sister Princess Kako (then one) and mother Princess Kiko pose for photographs in Kanagawa, Japan in January 1996

Princess Mako of Akishino (R) and her fiance Kei Komuro (L) attend a press conference at the Akasaka Estate on September 3, 2017, in Tokyo, Japan. Princess Mako, a granddaughter of the emperor and empress, expressed delight with her engagement to her fiance, Kei Komuro, as the young couple exchanged smiles at a news conference.

Japanese Princess Ayako get engaged to Kei Moriya an employee of a major shipping firm Nippon, their engagement was announced on June 26, 2018

Princess Mako (R) and her younger sister Princess Kako (L), granddaughters of Japan's Emperor Akihito, are pictured as they arrive at the venue of a concert marking the 60th anniversary of diplomatic relations between Indonesia and Japan on June 23, 2018, in Tokyo.

Princess Mako (R) and her younger sister Princess Kako (L), granddaughters of Japan's Emperor Akihito, are pictured as they arrive at the venue of a concert marking the 60th anniversary of diplomatic relations between Indonesia and Japan on June 23, 2018, in Tokyo.

Prince Hisahito (R), grandson of Japan's Emperor Akihito, and his mother Princess Kiko (L) are pictured at the venue of a concert marking the 60th anniversary of diplomatic relations between Indonesia and Japan on June 23, 2018, in Tokyo.

Photo shows Japanese Princess Ayako, the youngest daughter of Princess Hisako and the late Prince Takamado. She will get engaged to an employee of a major shipping firm, sources familiar with the matter said June 26, 2018.

Photo taken in March 2016 shows Japanese Princess Ayako at her graduation ceremony at Josai International University in Togane near Tokyo. Princess Ayako is the youngest daughter of Princess Hisako and the late Prince Takamado, Emperor Akihito's cousin.

Photo taken in January 2016 shows Japanese Princess Ayako greeting well-wishers gathered at the Imperial Palace in Tokyo. Princess Ayako is the youngest daughter of Princess Hisako and the late Prince Takamado, Emperor Akihito's cousin.

Photo taken in September 1990 shows Japanese Prince Takamado (L) and his wife Princess Hisako holding their third daughter Princess Ayako in front of Aiiku Hospital in Tokyo.

Photo taken Nov. 9, 2017, shows Japanese princesses (from L) Mako, Akiko, Yoko, Tsuguko and Ayako attending a biannual imperial garden party at the Akasaka Imperial Garden in Tokyo.

Kei Moriya, the fiance of Japanese Princess Ayako, is pictured as he returns home in Tokyo on June 26, 2018, after their engagement was announced earlier in the day. Princess Ayako, the youngest daughter of Emperor Akihito's late cousin Prince Takamado and Princess Hisako, will marry Moriya, who works for major shipping firm Nippon Yusen K.K., on Oct. 29.

Kei Moriya, the fiance of Japanese Princess Ayako, is pictured as he leaves home in Tokyo for work on June 27, 2018. Princess Ayako, the youngest daughter of Emperor Akihito's late cousin Prince Takamado and Princess Hisako, will marry Moriya, who works for major shipping firm Nippon Yusen K.K., on Oct. 29.

Kei Moriya, the fiance of Japanese Princess Ayako, is pictured as he returns home in Tokyo on June 26, 2018, after their engagement was announced earlier in the day. Princess Ayako, the youngest daughter of Emperor Akihito's late cousin Prince Takamado and Princess Hisako, will marry Moriya, who works for major shipping firm Nippon Yusen K.K., on Oct. 29.

Kei Moriya, the fiance of Japanese Princess Ayako, bows to reporters as he leaves home in Tokyo for work on June 27, 2018. Princess Ayako, the youngest daughter of Emperor Akihito's late cousin Prince Takamado and Princess Hisako, will marry Moriya, who works for major shipping firm Nippon Yusen K.K., on Oct. 29.

Kei Moriya, the fiance of Japanese Princess Ayako, is pictured as he returns home in Tokyo on June 26, 2018, after their engagement was announced earlier in the day. Princess Ayako, the youngest daughter of Emperor Akihito's late cousin Prince Takamado and Princess Hisako, will marry Moriya, who works for major shipping firm Nippon Yusen K.K., on Oct. 29.

Emperor Akihito Hosts Tea Party at the Imperial Palace on May 17, 2018 in Tokyo, Japan.

Emperor Akihito and Empress Michiko of Japan talk with guests at a tea party inviting leaders attending the Pacific Alliance Leaders Meeting at the Imperial Palace on May 17, 2018, in Tokyo, Japan.

Japanese Emperor Akihito and Empress Michiko talk with guests at a tea party inviting leaders attending the Pacific Alliance Leaders Meeting at the Imperial Palace on May 17, 2018, in Tokyo, Japan.

Emperor Akihito and Empress Michiko of Japan talk with guests at a tea party inviting leaders attending the Pacific Alliance Leaders Meeting at the Imperial Palace in Tokyo, Japan on May 17, 2018.

Japan's Emperor Akihito and Empress Michiko followed by Crown Prince Naruhito and other royal members are seen on arrival at a tea party inviting leaders attending the Pacific Alliance Leaders Meeting at the Imperial Palace on May 17, 2018, in Tokyo, Japan.

(L-R) Crown Prince Naruhito, Princess Kiko of Akishino, Princess Mako of Akishino talk with guests at a tea party inviting leaders attending the Pacific Alliance Leaders Meeting at the Imperial Palace on May 17, 2018, in Tokyo, Japan.

Emperor Akihito and Empress Michiko of Japan talk with guests at a tea party inviting leaders attending the Pacific Alliance Leaders Meeting at the Imperial Palace on May 17, 2018, in Tokyo, Japan.

(L) Princess Kiko and Princess Mako of Akishino (C) talk with guests at a tea party inviting leaders attending the Pacific Alliance Leaders Meeting at the Imperial Palace on May 17, 2018, in Tokyo, Japan.

(L-R) Princess Kiko and Princess Mako of Akishino talk with guests at a tea party inviting leaders attending the Pacific Alliance Leaders Meeting at the Imperial Palace on May 17, 2018, in Tokyo, Japan.

Emperor Akihito of Japan talks with guests at a tea party inviting leaders attending the Pacific Alliance Leaders Meeting at the Imperial Palace on May 17, 2018, in Tokyo, Japan.

Empress Michiko and Crown Prince Naruhito of Japan talk with guests at a tea party inviting leaders attending the Pacific Alliance Leaders Meeting at the Imperial Palace on May 17, 2018, in Tokyo, Japan.

Crown Prince Naruhito and Crown Princess Masako of Japan Attend Big Brothers and Sisters Movement 70th Anniversary Ceremony on September 23, 2017

Princess Mako of Akishino attends the Japan traditional Crafts exhibition at Nihonbashi Mitsukoshi Department Store on September 20, 2017 in Tokyo, Japan.

Princess Mako of Akishino attends the Japan traditional Crafts exhibition at Nihonbashi Mitsukoshi Department Store on September 20, 2017 in Tokyo, Japan.

Princess Mako of Akishino attends the Japan traditional Crafts exhibition at Nihonbashi Mitsukoshi Department Store on September 20, 2017 in Tokyo, Japan.

Princess Mako of Akishino attends the Japan traditional Crafts exhibition at Nihonbashi Mitsukoshi Department Store on September 20, 2017 in Tokyo, Japan.

Princess Mako of Akishino attends the Japan traditional Crafts exhibition at Nihonbashi Mitsukoshi Department Store on September 20, 2017 in Tokyo, Japan.

Princess Mako of Akishino attends the Japan traditional Crafts exhibition at Nihonbashi Mitsukoshi Department Store on September 20, 2017 in Tokyo, Japan.

Princess Mako of Akishino attends the Japan traditional Crafts exhibition at Nihonbashi Mitsukoshi Department Store on September 20, 2017 in Tokyo, Japan.

(R) Princess Mako of Akishino attends the Japan traditional Crafts exhibition at Nihonbashi Mitsukoshi Department Store on September 20, 2017 in Tokyo, Japan.

Crown Princess Masako of Japan attend the 'Big Brothers and Sisters Movement' 70th Anniversary Ceremony on September 23, 2017 in Tokyo, Japan.

Japanese Crown Prince Naruhito addresses during the 'Big Brothers and Sisters Movement' 70th Anniversary Ceremony on September 23, 2017 in Tokyo, Japan.

Crown Prince Naruhito and Crown Princess Masako of Japan attend during the 'Big Brothers and Sisters Movement' 70th Anniversary Ceremony on September 23, 2017 in Tokyo, Japan.

Princess Hisako of Takamado speaks during the Asahi Shimbun interview at her residence on September 19, 2017 in Tokyo, Japan.

Princess Hisako of Takamado speaks during the Asahi Shimbun interview at her residence on September 19, 2017 in Tokyo, Japan.

Princess Hisako of Takamado speaks during the Asahi Shimbun interview at her residence on September 19, 2017 in Tokyo, Japan.

Princess Hisako of Takamado speaks during the Asahi Shimbun interview at her residence on September 19, 2017 in Tokyo, Japan.

Crown Prince Naruhito of Japan attend the 'Big Brothers and Sisters Movement' 70th Anniversary Ceremony on September 23, 2017 in Tokyo, Japan.