A store clerk brings out a pair of boots for a customer in Tokyo's Harajuku shopping district October 26, 2012. (Photo by Yuriko Nakao/Reuters)

People walk by an electronic stock board of a securities firm in Tokyo, Monday, May 11, 2015. (Photo by Koji Sasahara/AP Photo)

A shop attendant dressed in lolita fashion works in a shop at Marui One, a branch of department store group Marui Co. Ltd., at Tokyo's Shinjuku district in this March 2, 2009 file photo. (Photo by Issei Kato/Reuters)

A man using his mobile phone walks past a display window outside a luxury department store at a shopping district in Tokyo, Japan, April 28, 2015. (Photo by Yuya Shino/Reuters)

A shop clerk (2nd R) carries a box of shoes under sale signboards at a shoes retail store at a shopping district in Tokyo, Japan, April 28, 2015. (Photo by Yuya Shino/Reuters)

A man looks at air conditioners outside a discount electronics store at a shopping district in Tokyo, Japan, April 28, 2015. (Photo by Yuya Shino/Reuters)

A man sleeps on the side of a street at a business district in Tokyo, Japan, April 30, 2015. (Photo by Yuya Shino/Reuters)

A man takes a nap on a street surrounded by his belongings in a business district in Tokyo, Japan, April 30, 2015. (Photo by Yuya Shino/Reuters)

People stand in front of a ticket machine outside an instant noodle restaurant at a business district in Tokyo, Japan, April 30, 2015. (Photo by Yuya Shino/Reuters)

A shop clerk prepares to open a candy store at Harajuku shopping district in Tokyo, Japan, April 30, 2015. (Photo by Yuya Shino/Reuters)

A woman using her mobile phone sits on a bench at a business district in Tokyo, Japan, April 30, 2015. Picture taken April 30, 2015. (Photo by Yuya Shino/Reuters)

A man walks out of a Japanese pub at a business district in Tokyo, Japan, April 30, 2015. (Photo by Yuya Shino/Reuters)

A shop clerk prepares to open a cosmetic store at Omotesando shopping district in Tokyo, Japan, April 30, 2015. (Photo by Yuya Shino/Reuters)

People sit on stools outside a Japanese pub-style restaurant at a business district in Tokyo, Japan, April 30, 2015. (Photo by Yuya Shino/Reuters)

Employees of Daikin Industries Ltd have lunch at the company's Kusatsu factory in Shiga prefecture, western Japan in this March 20, 2015 file photo. (Photo by Yuya Shino/Reuters)

Customers sitting inside a fast food shop are seen behind its hamburger advertisement poster on a window at the Tokyo's Akihabara shopping district, Japan, May 19, 2015. (Photo by Yuya Shino/Reuters)

A woman holding a microphone entices shoppers to buy lotteries next to a wooden figure of Daikoku-sama, the god presiding over food and wealth, at the Tokyo's Ginza shopping district, Japan, May 19, 2015. (Photo by Yuya Shino/Reuters)

A man walks in front of price tags of items outside a discount store, at a business district in Tokyo, Japan, May 25, 2015. (Photo by Yuya Shino/Reuters)

Pedestrians walk in front of a stone statue under a Metropolitan Expressway at a business district in Tokyo, Japan, May 25, 2015. (Photo by Yuya Shino/Reuters)

A shopper wearing swimwear is seen through an outfit displayed during a promotional event at a Desigual clothing retail store at Harajuku shopping district in Tokyo, Japan, June 27, 2015. The store offers free outfits to the first 100 shoppers wearing swimwear at the first day of the summer sale. (Photo by Yuya Shino/Reuters)

A woman wearing a kimono performs an uchimizu ritual outside a pachinko game parlor in Tokyo June 30, 2015. The splashing of water onto the hot asphalt in summer is an old Japanese tradition meant to cool down the air as the water evaporates. (Photo by Thomas Peter/Reuters)

Young businessmen cross a street during lunch hour in Tokyo July 1, 2015. (Photo by Thomas Peter/Reuters)

Visitors look at the Tokyo Stock Exchange (TSE) bourse in Tokyo, July 1, 2015. (Photo by Toru Hanai/Reuters)

A man goes down the stairs inside a luxury brand store at a shopping district in Tokyo, Japan, July 1, 2015. (Photo by Yuya Shino/Reuters)

A tropical fish swims in a fish tank as a passer-by walks at a business district in Tokyo, July 2, 2015. (Photo by Toru Hanai/Reuters)

Tropical fish swim in a fish tank as a passer-by walks at a business district in Tokyo, July 2, 2015. (Photo by Toru Hanai/Reuters)

A protester wears a horse mask as a police officer looks on during the third day of demonstrations against Japan's Prime Minister Shinzo Abe's security-related legislation outside the parliament building in Tokyo, July 17, 2015. Abe, pushed through parliament's lower house legislation that could see troops sent to fight abroad for the first time since World War Two, despite protests and a risk of further damage to his sagging ratings. (Photo by Thomas Peter/Reuters)

Protesters beat drums as they sit at the fringes of a demonstration against Japan's Prime Minister Shinzo Abe's security-related legislation outside the parliament building in Tokyo, July 17, 2015. (Photo by Thomas Peter/Reuters)

Crew and cast members tussle in jest during a break in a music video shoot in the trendy Harajuku district in Tokyo, July 17, 2015. (Photo by Thomas Peter/Reuters)

Women walk along a street as a man leans against a graffiti-covered wall in the trendy Harajuku district in Tokyo, July 17, 2015. (Photo by Thomas Peter/Reuters)

Buddhist protesters beat drums as they sit at the fringes of a demonstration against Japan's Prime Minister Shinzo Abe's security-related legislation outside the parliament building in Tokyo, July 17, 2015. (Photo by Thomas Peter/Reuters)

Tourists wearing traditional Japanese kimonos use a selfie stick to take a photo of themselves in the Asakusa district in Tokyo Wednesday, May 6, 2015. Asakusa is an old town in the capital that draws many tourists from across the world. (Photo by Eugene Hoshiko/AP Photo)

Japanese women wearing kimono walk in the approaching rains of Typhoon Nangka in downtown Kyoto, Japan, 16 July 2015. (Photo by Everett Kennedy Brown/EPA)

A shrine maiden walks near stone lanterns in Tokyo, Saturday, May 2, 2015. (Photo by Eugene Hoshiko/AP Photo)

A dress fitter (R) checks clothes of models wearing masks of crocodile to show off a new French collection in Tokyo on May 30, 2015. (Photo by Yoshikazu Tsuno/AFP Photo)

This picture taken on June 21, 2015 shows apprentice geishas, or “maiko”, from Japan's ancient capital Kyoto on an escalator at the Kyoto station as they move from Kyoto to Tokyo by shinkansen bullet train. Some 40 maikos performed traditional dances in Tokyo for the summer travel campaign to Kyoto. (Photo by AFP Photo/JIJI Press)