Tetsuko Kuroyanagi is a Japanese actress, television personality, World Wide Fund for Nature advisor, and Goodwill Ambassador for UNICEF. She joined NHK Broadcasting Theatre Company as the first television actress in 1953. In 1954, she made her debut as the lead actress in the radio drama Yambō Nimbō Tombō. In 1976, the TV Asahi's Tetsuko's Room " started airing. This program was recognized by the Guinness World Records in 2011 for having the highest number of broadcasts by the same host. It has been airing on weekdays at noon every week, and as of 2023, it has surpassed 11,000 episodes in its 48th year. Her autobiographical book, Totto-Chan: The Little Girl at the Window, which depicts her childhood, became a post-WW2 bestseller with over 8 million copies sold in Japan and 25 million copies worldwide. It has also been adapted into a television series twice.

A talk show is a television programming, radio programming or Podcast genre structured around the act of spontaneous conversation. A talk show is distinguished from other television programs by certain common attributes. In a talk show, one person discusses various topics put forth by a talk show host. This discussion can be in the form of an interview or a simple conversation about important social, political or religious issues and events. The personality of the host shapes the tone and style of the show. A common feature or unwritten rule of talk shows is to be based on "fresh talk", which is talk that is spontaneous or has the appearance of spontaneity.