Elementary school sumo wrestler Kyuta Kumagai competes in a sumo ring at a regional tournament of Junior Olympic Cup All-Japan Elementary School Sumo Championship in Kawasaki, south of Tokyo, Japan, October 17, 2021. (Photo by Kim Kyung-Hoon/Reuters)

Participants compete to do nothing during the Space-out competition at World Expo 2025 on September 27, 2025 in Osaka, Japan. For 90 minutes, participants sat in silence, trying to remain in a dazed state without distraction. The winner was determined not by activity but by calmness maintaining the most stable heart rate amid the lively crowds of the Osaka Expo site. (Photo by Tomohiro Ohsumi/Getty Images)

A diver dressed in a Santa Claus costume swims with a penguin at Sunshine Aquarium during preparations for the upcoming Christmas special event in Tokyo on December 1, 2025. (Photo by Kazuhiro Nogi/AFP via Getty Images)

A boat, center, is surrounded by Japan Cost Guard's patrol boats after some activists descended from the boat on Uotsuri Island, one of the islands of Senkaku in Japanese and Diaoyu in Chinese, in East China Sea Wednesday, Aug. 15, 2012. Regional tensions flared on the emotional anniversary of Japan's World War II surrender as activists from China and South Korea used Wednesday's occasion to press rival territorial claims, prompting 14 arrests by Japanese authorities. The 14 people had traveled by boat from Hong Kong to the disputed islands controlled by Japan but also claimed by China and Taiwan. (Photo by Yomiuri Shimbun/Masataka Morita/AP Photo)

Families and relatives of the dead cry as they identify their family members at a temporary burial ground March 25, 2011 in Higashi Matsushima , Japan. (Photo by Paula Bronstein /Getty Images)

A family wearing traditional Japanese clothing posed for a photograph during spring season in one of the garden in Kiyomizu dera, Kyoto prefecture, Japan on March 30, 2018. (Photo by Richard Atrero de Guzman/NurPhoto via Getty Images)

Participants in costumes pose before a Halloween parade in Kawasaki, south of Tokyo, Japan on October 28, 2018. (Photo by Toru Hanai/Reuters)

Japanese women wearing kimonos take a selfie as they attend their Coming of Age Day celebration ceremony at Toshimaen amusement park in Tokyo, Japan on January 14, 2019. Coming of Age Day is a Japanese holiday held every January to celebrate people who have reached 20 – the official age of adulthood in Japan. (Photo by Issei Kato/Reuters)