A Japanese girl poses in a costume at a Chara Fes (character festival) event on October 26, 2003 in Tokyo. Cosplay (costume play) is becoming popular among Japanese youths, whereby participants dress up as their favourite characters from comics, computer games and animation. (Photo by Junko Kimura/Getty Images)

A model presents the Flesby, a one-seater mobility concept car, during a media preview of the 45th Tokyo Motor Show in Tokyo, Japan on October 25, 2017. Japan's flagship automakers present their futuristic visions for the post-fossil fuel era at the Tokyo Motor Show that kicks off Wednesday. (Photo by Kim Kyung-Hoon/Reuters)

Steven de Costa of France, top, and Kalvis Kalnins of Latvia react during the men's kumite -67kg elimination round for Karate at the 2020 Summer Olympics, Thursday, August 5, 2021, in Tokyo, Japan. (Photo by Vincent Thian/AP Photo)

Anicka Newell, of Canada, does a handstand ahead of the final of the women's pole vault at the 2020 Summer Olympics, Thursday, August 5, 2021, in Tokyo. (Photo by Matthias Schrader/AP Photo)

Nora Mork of Norway celebrates scoring a goal during the women's bronze medal handball match between Norway and Sweden of the Tokyo 2020 Olympic Games at the Yoyogi National Stadium in Tokyo on August 8, 2021. (Photo by Susana Vera/Reuters)

An old toilet is displayed during the “Toilet!? Human Waste and Earth's Future” exhibition at The National Museum of Emerging Science and Innovation – Miraikan on July 1, 2014 in Tokyo, Japan. The exhibition focuses on how the toilet has changed our daily lives and discovers what the most environment-friendly and ideal toilet is. (Photo by Keith Tsuji/Getty Images)

Choo Gaeun of South Korea reacts during competition with Jin Jongoh of South Korea during the mixed 10m air pistol team qualification during Tokyo 2020 Olympics at Asaka Shooting Range in Tokyo, Japan on July 27, 2021. (Photo by Ann Wang/Reuters)

Iryna Kindzerska of Azerdbaidjan reacts after defeating Shiyan Xu of China during the Women +78 kg Contest for Bronze Medal A contest at the Judo events of the Tokyo 2020 Olympic Games at the Nippon Budokan arena in Tokyo, Japan, 30 July 2021. (Photo by Ritchie B. Tongo/EPA/EFE)