Retired Mongolian-born “yokozuna” wrestler Hakuho (far L), who now goes by the name Miyagino, watches as participants (R) try to push out Japanese wrestler Hakuoho (C) during a sumo class for youngsters on the sidelines of the 14th Hakuho Cup, a competition for young sumo wrestlers from elementary and middle school, at the Kokugikan arena in the Ryogoku area of Tokyo on February 12, 2024. (Photo by Richard A. Brooks/AFP Photo)

A woman in Kimono poses for photos in front of mimosa and cherry blossom trees in Tokyo on March 8, 2024. (Photo by Yuichi Yamazaki/AFP Photo)

A woman takes pictures with the Kawazu cherry blossom trees, one of the earliest blooming cherry blossoms in Japan, in Tokyo's Sumida district on March 11, 2024. (Photo by Philip Fong/AFP Photo)

Hideki Tokoro, president of whaling company Kyodo Senpaku, boards Japan's new whaling mothership, the Kangei Maru, following the ship's launch ceremony at a port in Shimonoseki city, Yamaguchi prefecture on May 21, 2024. The nearly 9,300-tonne ship set sail on its maiden hunting voyage on May 21, heralding a new era for the controversial practice defended by the government as an integral part of national culture. (Photo by Yuichi Yamazaki/AFP Photo)

A quake-resistant dome house decorated with Japan's popular “Kumamon” bear character is pictured at the Aso Farm Land resort in Aso, Japan on November 6, 2017. Cabins modelled after Japanese sweets and made from polystyrene foam withstood last year's deadly earthquakes in Kumamoto prefecture. (Photo by Kim Kyung-Hoon/Reuters)

AKB48 perform during the MTV Video Music Aid Japan at Makuhari Messe on June 25, 2011 in Chiba, Japan. (Photo by Koki Nagahama/Getty Images)

A potential bidder carefully examines pieces of Tuna in order to ascertain the quality and to estimate its price ahead of the Tuna auction at the Tsukiji fish market on February 28, 2012 in Tokyo, Japan. (Photo by Daniel Berehulak /Getty Images)

A dinosaur robot produced by Tyco Electronics Japan G.K. is controlled by a smartphone at CEATEC (Combined Exhibition of Advanced Technologies) Japan 2014 held at at Makuhari Messe in Chiba, east of Tokyo, Japan, 07 October 2014.With a Sharp Aquos ZETA mobile phone model, users can make the 6.5-meter (21 feet, 4 inches) long, 2.1-meter (6 feet, 11 inches) tall dinosaur robot to walk forward and backward, jump, move its head, hands and legs up and down, left and right, open and close its mouth by touching the screen panel and make it bark by shaking the handheld. (Photo by Kimimasa Mayama/EPA)