Kaiji Ultimate Survivor OP (english sub)
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I claim nothing. All shit goes their respective artists.Good luck with your gamble losers.

26 Episode gambling-themed drama anime from 2007 with a second season and a spinoff anime, based on an ongoing manga by Nobuyuki Fukumoto.

The song is "Mirai wa Bokura no Te no Naka" and was made for the purposes of this show.