Plot: NHK Kōhaku Uta-Gassen (NHK紅白歌合戦, "NHK Red and White Song Battle"), more commonly known simply as Kōhaku, is an annual New Year's Eve television special held on December 31 every year, and produced by Japanese public broadcaster NHK. It is broadcast live simultaneously on NHK General TV, BS4K, BS8K, and NHK radio (nationally) and internationally on NHK World Premium and some overseas (mainly cable) broadcasters who buy the program