they're just playing on the fact that his "character" as a comedian is "sexual harasser" and momoko is clever enough to play along with it. add to that that kurobara is a ridiculously "open" tv-show... it would look real. I doubt she'd be suing him or something anytime soon xD
The official site for Kaidan Shin Mimibukuro ・Igyou has been renewed. Of note is the theme song listed. S/mileage version of Kimi wa Jitensha Watashi wa Densha de Kitaku. A mistake or S/mileage's new single? http://shinmimi-igyou.jp/