Caroline Wozniacki of Denmark serves in her match against Kaia Kanepi of Estonia during day four of the Toray Pan Pacific Open at Ariake Colosseum on September 28, 2011 in Tokyo, Japan. (Photo by Koji Watanabe/Getty Images)

An employee wears false eyelashes at the Shu Uemura eyelashes bar in the Omotesando district May 18, 2007 in Tokyo, Japan. 22 different false eyelash designs are available at the eyelashes bar ranging in cost from US$13 to US$43. (Photo by Koichi Kamoshida/Getty Images)

The eighth annual Nipponbashi Street Festa stamped Osaka March 20, 2012 (Nipponbashi is Osaka’s geek district – much like Akihabara is for Tokyo). Cosplayers turned up in colourful outfits, dressing as characters from their favourite manga, anime, and video games. The street was closed to cars, and otaku flooded the streets, snapping pics, cosplaying, and hanging out.

Visitors look at tropical fish transported from Japan's southern island of Okinawa displayed in a giant 14-ton fish tank at the Sony Square event space in Tokyo on July 17, 2016. The 45-day-long summer exhibition will be held through August 28 to display sea creatures common to the waters around Okinawa. (Photo by Kazuhiro Nogi/AFP Photo)

Heads of love dolls are seen on the shelf on March 9, 2017 in Tokyo, Japan. Japan's oldest and largest “love doll” maker Orient Industry, has been producing silicone love dolls since 1977, and has seen there is a trend for intimate relationships with silicone dolls in Japan. (Photo by Taro Karibe/Getty Images)

This picture taken on March 16, 2017 shows a crew member introducing the dining car of the Train Suite Shiki- Shima, operated by East Japan Railway, in Tokyo during a press preview. The luxury sleeper Shiki- Shima, which can accommodate up to 34 passengers, has 10 cars, including a lounge car, a dining car and two observatory cars. The train has only 17 cabins, all suites, and the most expensive room, known as Shiki- Shima Suite, is priced at 950,000 yen (8480 USD) per person when shared by two people. (Photo by AFP Photo/JIJI Press)

Young Japanese women dressed in colourful Kimonos take a photo of themselves as they gather for a ceremony marking the “Coming of Age Day” at the Toshimaen Amusement Park in Tokyo, Japan, 11 January 2016. The Coming of Age Day is the day to celebrate young people who turn 20 years old while the age of 20 is considered the beginning of adulthood and is the minimum legal age for voting, drinking and smoking in Japan. (Photo by Kiyoshi Ota/EPA)

Kenichi Ito runs on his arms and legs on a race course on his way to setting the Guinness World Record fastest time for the 100-meter dash on all fours at Komazawa Olympic Park Stadium in Tokyo Thursday, November 14, 2013. The 30-year-old Japanese finished in 16.87 seconds Thursday, shaving more than half a second off his 2012 run of 17.47. (Photo by Shizuo Kambayashi/AP Photo)