Cheki hizo photos uone hali inavyokuwa katika tamasha lao la Britain's Got Talent 2013.
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Her profile on the Torture Garden website says she “was a sought-after performer for secret events held for celebrities visiting Japan”.
The latest run of BGT has already been criticised for sleazy acts including an 11-year-old girl singing about a one-night stand and another contestant performing a pre-watershed lap-dance.
There was outrage when schoolgirl Arisxandra Libantino sang Jennifer Hudson’s One Night Only, with the lyrics: “Come on, big baby, come on, we only have til dawn.”
Keri Graham, 43, who writhed semi-naked on a chair, has since been revealed as a stripper.
A show spokesman said of the revelations about Yusura: “We were not aware of this, but her performance on Britain’s Got Talent was in keeping with the show’s audience.”
