“The Contestant” Is More Than a Cautionary Tale

Tomoaki Hamatsu, nicknamed Nasubi, on the Japanese TV series “Susunu! Denpa Shōnen.”Photograph courtesy Disney / Hulu Tomoaki Hamatsu became one of the world’s first reality-TV stars when, as an aspiring comedian in his early twenties, he spent fifteen months naked and alone, surviving on sheer luck. The challenge was among the most extreme to be featured on “Susunu! Denpa Shōnen,” a cheerfully sa