Nasubi had no idea his 15-month fight to survive was being broadcast on Japanese TV.

In the late 1990s aspiring comedian Tomoaki Hamatsu, nicknamed Nasubi, lived inside a small room for 15 months surviving off sweepstake competition winnings. He was naked, alone and hungry. He was also completely unaware he had become the most famous television personality in Japan, his life broadcast to millions of viewers each week.

A documentary about Nasubi's experience has been made called The Contestant.

Presenter: Mobeen Azhar

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