In Photos: Japan emperor's brother Prince Akishino proclaimed 1st in line to throne

In this photo provided by the Imperial Household Agency of Japan, Japan's Crown Prince Akishino attends a ceremony after he was formally proclaimed the first in line to the Chrysanthemum Throne at the Imperial Palace in Tokyo, Sunday, Nov. 8, 2020. (Imperial Household Agency of Japan via AP)

In this photo provided by the Imperial Household Agency of Japan, Japan's Crown Princess Kiko attends a ceremony after her wife Crown Prince Akishino was formally proclaimed the first in line to the Chrysanthemum Throne at the Imperial Palace in Tokyo, Sunday, Nov. 8, 2020. (Imperial Household Agency of Japan via AP)

In this photo provided by the Imperial Household Agency of Japan, Japan's Crown Prince Akishino, second from left, walks for a ceremony after he was formally proclaimed the first in line to the Chrysanthemum Throne at the Imperial Palace in Tokyo, Sunday, Nov. 8, 2020. (Imperial Household Agency of Japan via AP)

In this photo provided by the Imperial Household Agency of Japan, Japan's Crown Prince Akishino, second from left, flanked by his wife Crown Princess Kiko, left, attends a ceremony for formally proclaims Akishino is the first in line to the Chrysanthemum Throne with Emperor Naruhito, center left, and Empress Masako, center right, at the Imperial Palace in Tokyo, Sunday, Nov. 8, 2020. (Imperial Household Agency of Japan via AP)

In this photo provided by the Imperial Household Agency of Japan, Japan's Crown Prince Akishino, in orange robe, flanked by his wife Crown Princess Kiko, second from left, attends a ceremony for formally proclaims Akishino is the first in line to the Chrysanthemum Throne, with Emperor Naruhito, second from right, and Empress Masako, right, at the Imperial Palace in Tokyo, Sunday, Nov. 8, 2020. (Imperial Household Agency of Japan via AP)

In this photo provided by the Imperial Household Agency of Japan, Japan's Crown Prince Akishino, in orange robe, flanked by his wife Crown Princess Kiko, attends a ceremony for formally proclaims Akishino is the first in line to the Chrysanthemum Throne, in front of Emperor Naruhito, left, and Empress Masako, second from left, at the Imperial Palace in Tokyo, Sunday, Nov. 8, 2020. (Imperial Household Agency of Japan via AP)

Japanese Crown Prince Fumihito, better known as Prince Akishino, leaves the Imperial Palace after being formally declared first in line to succeed the Chrysanthemum Throne during a ceremony Sunday, Nov. 8, 2020 in Tokyo, Japan. (Carl Court/Pool Photo via AP)

Japanese Crown Prince Fumihito, better known as Prince Akishino, leaves the Imperial Palace after being formally declared first in line to succeed the Chrysanthemum Throne during a ceremony Sunday, Nov. 8, 2020 in Tokyo, Japan. (Carl Court/Pool Photo via AP)

Japanese Crown Prince Fumihito, better known as Prince Akishino, leaves the Imperial Palace after being formally declared first in line to succeed the Chrysanthemum Throne during a ceremony Sunday, Nov. 8, 2020 in Tokyo, Japan. (Carl Court/Pool Photo via AP)

Japanese Crown Prince Fumihito, better known as Prince Akishino, leaves the Imperial Palace after being formally declared first in line to succeed the Chrysanthemum Throne during a ceremony Sunday, Nov. 8, 2020 in Tokyo, Japan. (Carl Court/Pool Photo via AP)

Japanese Crown Prince Fumihito, better known as Prince Akishino, leaves the Imperial Palace after being formally declared first in line to succeed the Chrysanthemum Throne during a ceremony Sunday, Nov. 8, 2020 in Tokyo, Japan. (Carl Court/Pool Photo via AP)

Japanese Crown Prince Fumihito, better known as Prince Akishino, leaves the Imperial Palace after being formally declared first in line to succeed the Chrysanthemum Throne during a ceremony Sunday, Nov. 8, 2020 in Tokyo, Japan. (Carl Court/Pool Photo via AP)

Japanese Crown Prince Fumihito, better known as Prince Akishino, leaves the Imperial Palace after being formally declared first in line to succeed the Chrysanthemum Throne during a ceremony Sunday, Nov. 8, 2020 in Tokyo, Japan. (Carl Court/Pool Photo via AP)

Japanese Crown Prince Fumihito, better known as Prince Akishino, leaves the Imperial Palace after being formally declared first in line to succeed the Chrysanthemum Throne during a ceremony Sunday, Nov. 8, 2020 in Tokyo, Japan. (Carl Court/Pool Photo via AP)

In this photo provided by the Imperial Household Agency of Japan, Japan's Crown Prince Akishino and his wife Crown Princess Kiko attend a ceremony after Akishino was formally proclaimed the first in line to the Chrysanthemum Throne, at the Imperial Palace in Tokyo, Sunday, Nov. 8, 2020. (Imperial Household Agency of Japan via AP)

In this photo provided by the Imperial Household Agency of Japan, Japan's Crown Prince Akishino, center, and his wife Crown Princess Kiko, center right, meet Emperor Naruhito, left, and Empress Masako, second from left, during a ceremony after Akishino was formally proclaimed the first in line to the Chrysanthemum Throne, at the Imperial Palace in Tokyo, Sunday, Nov. 8, 2020. (Imperial Household Agency of Japan via AP)