Though there may be a twist here, with the sex-charged interaction itself being more in between Kanba and the possessor, the Princess of the Crystal, rather than between him and Himari.
To the West, the world of Japanese game shows is best known as a technicolored whirlwind of half-naked bodies, sadomasochistic physical challenges, and the occasional whimsical bunny rabbit head.
And Dio fears her to death, with good reason — the gal's completely crazy, and not in a good way.
It was essentially the Saw franchise played for laughs, which might seem redundant until you take a gander at Dero! Kokoro clearly loves Iina a lot too, but in a sisterly fashion.