Plot synopsis: Johnny’s Countdown Live (ジャニーズカウントダウンライブ) is a New Year’s Eve countdown concert held by talents affiliated with Johnny & Associates (now SMILE-UP.), taking place from New Year’s Eve to New Year’s Day in Japan Standard Time. With the exception of 2014, it was broadcast on the Fuji TV network from 1998 to 2022. It is also known as the “Johnny’s Countdown Concert.” Its abbreviated name is “Kaukon.”