This is the fourth self-acted setup, and Koji Imada, the show's MC, is the long-awaited challenger. "Raunchy Pranks" is Imada's theme. 51-year-old Koji Imada attempts to play the ultimate raunchy pranks, reminiscent of comedy-prank legend, Eisaku Okawa. These include glancing at a beautiful woman's underpants, taking nude photos, having a massage done by a sexy actress, and more!