A competitor shows her nails during the Tokyo Nail Expo 2009 at Tokyo Big Sight on November 30, 2009 in Tokyo, Japan. (Photo by Junko Kimura/Getty Images)

Bikini-clad women sit as they operate a 3.6 metre-high custom-made female robot at the “Robot Restaurant” in Kabukicho, one of Tokyo's best known red light districts, August 15, 2012. (Photo by Tokyo Scum Brigade)

Suzuki's Hanare concept car is displayed during the Tokyo Motor Show, in Tokyo, Japan on October 23, 2019. The 46th Tokyo Motor Show will be op​en​ to the general public from 25 October to 04 November 2019. (Photo by Soe Zeya Tun/Reuters)

Participants dressed in ancient Japanese costumes take part in a parade at the Imperial Palace during the Sanno Festival in Tokyo, Japan June 10, 2016. (Photo by Toru Hanai/Reuters)

Pupils participate in a calligraphy contest to celebrate the New Year in Tokyo January 5, 2016. Over 3,000 calligraphers who qualified in competitions throughout Japan wrote resolutions or wishes onto paper sheets during the annual contest that marks the start of the new year, according to organizers. (Photo by Thomas Peter/Reuters)

An enthusiast dressed as a zombie takes part in the annual Zombie Walk festival in Prague June 1, 2013. (Photo by David W. Cerny/Reuters)

A visitor relaxes in a sleeping module at Tokyo's tube Hotel “Capsule Inn Akihabara” on February 6, 2007 in Tokyo, Japan. The two-square-meter sleep modules are equipped with a TV, Radio and Wireless LAN and are priced at 3500 yen per night. Uptil recently it has mainly been the office workers who stay at such tube hotels when they cannot go home, but recently they are attracting many foreign travellers due to their Japanese style. (Photo by Koichi Kamoshida/Getty Images)

A woman at Foyles bookshop looks at a copy of J. K. Rowling's latest novel “The Casual Vacancy” which has gone on sale today starting at 8:00 am on September 27, 2012 in London, England. “The Casual Vacancy” is J. K. Rowling's first book aimed at an adult readership and is centered on a parish council election in a small West Country town. (Photo by Oli Scarf)