Sunshine City, Tokyo

• 1. Introduction

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  Sunshine City, Tokyo stands on ground that once held one of Japan's most feared prisons. The complex opened in 1978 in East Ikebukuro, in the Toshima ward of Tokyo, and at that moment its central tower, the 240-meter Sunshine 60, was reputed to be the tallest building in all of Asia. How did a patch of land notorious for Sugamo Prison become a vertical city where shoppers, office workers, museum visitors, and hotel guests share the same address? And what does it mean to build a place ambitious enough to call itself a city within a city? Those are the questions this documentary sets out to answer.

• 2. City Within a City

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  Four distinct buildings make up Sunshine City: the Sunshine 60 skyscraper, the Prince Hotel, the World Import Mart, and the Bunka Kaikan cultural center. Each one serves a different purpose, but together they form something more than a shopping destination. The complex was designed as a self-contained area where people could live, work, and shop without ever leaving the site. Lower floors pull in passersby with a large shopping mall and numerous restaurants. Higher up, the floors shift to corporate offices and hotel rooms. The vertical sorting of public and private life within a single complex was unusual for its era, and Sunshine City became an early example of what planners called a city within a city. The Bunka Kaikan sits at the heart of the cultural program, rising to a seventh floor that houses the Ancient Orient Museum.

• 3. The Prison Beneath

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  Sugamo Prison once occupied the land where Sunshine City now stands. That fact shadows the complex with a layer of history that no amount of renovation can fully erase. The decision to build an ambitious commercial and cultural development on that site transformed its meaning in the decades after the prison was demolished. When the complex opened in 1978, the Sunshine 60 tower drew attention as the tallest building in Asia, a claim that carried particular weight given what the ground had witnessed. The contrast between the prison's history and the observatory, aquarium, and amusement park that replaced it remains one of the most striking facts about the site.

• 4. Sky Circus and the Race Upward

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  At the very top of Sunshine 60 sits the Sky Circus, an observation deck that has drawn visitors since the building opened. When the deck first welcomed guests, it was the highest publicly accessible viewpoint in Asia, a distinction tied directly to the tower's 240-meter height. Over the years, other observation decks opened across Tokyo, including at Roppongi and the Tokyo Government offices, pulling some of that prestige away. Sky Circus responded by leaning into the word in its name, offering experiences beyond a simple view. The Ancient Orient Museum one floor below in the Bunka Kaikan holds a collection of Greco-Buddhist art from Gandhara alongside pieces connected to Palmyra and Persia, making it a quiet counterpoint to the spectacle above.

• 5. Rooftop Seas and Indoor Parks

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  Japan's first rooftop public aquarium opened inside the World Import Mart building in October 1978, only weeks after Sunshine City itself debuted. Operated by Sunshine Enterprises, Inc., the aquarium spent decades under the name Sunshine International Aquarium before a rebranding. It closed on the 1st of September 2010 for a full year of renovation, then reopened on the 4th of August 2011. One floor below the aquarium's host building, Namco opened its indoor theme park in 1996. Known as Namja Town, the park was created by a company famous for video games, yet it deliberately avoided being a video game venue. Carnival-style games, a haunted house, themed dining areas, and a line of character mascots exclusive to the park defined the experience. Namco developed two games inspired by Namja Town: Nakavu no Daiboken: My Favorite Namja Town, released for the PlayStation in Japan in 2000, and a simpler title simply called Namja Town, released for iOS in the early 2010s.

• 6. J-World and Impermanence

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  Namco opened J-World Tokyo on the third floor, directly above Namja Town, in 2013. The manga-themed park shared the same building but attracted a different audience. On the 17th of February 2019, J-World Tokyo closed permanently because of poor attendance. That closure illustrated a tension built into any large entertainment complex: the same size that allows for multiple distinct attractions also means that underperforming venues can linger until they cannot. The space J-World left behind became available for other uses within a complex that had already shown it could absorb and reinvent itself across four decades.

• 7. The Prince Hotel's Long Arc

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  Sunshine City Prince Hotel opened in 1980, two years after the broader complex. Prince Hotel undertook a renovation in 1996, and for many years the Seibu Railway and Kokudo companies held ownership of the building until the Seibu Group restructured in March 2006. Prince Hotel itself became the sole direct owner at that point. In 2007, the banquet halls on the second and third floors closed, and the hotel's restaurant Trianon, which had operated on the 59th floor of Sunshine 60, shut its doors alongside the Windsor bar on the hotel's ground level. A Family Mart convenience store later occupied the Windsor site. A four-year renovation of the hotel began in 2015, covering all guest room floors. On the 6th of April 2019, the hotel launched a concept floor called IKEPRI 25 on the 25th floor, aimed at fans of anime and manga from Japan and abroad. On the 15th of July 2016, the lobby lounge was remade into a cafe and dining room called Chef's Palette, and the hotel's head office relocated back to Diamond Gate Ikebukuro in 2019.