Unless the GitHub repository explicitly links to official free streams (like NHK World or Abema’s free tier), the majority of these playlists contain pirated streams . These are rebroadcasts of paid cable channels without authorization. Using them is generally considered a violation of copyright terms.
If you have spent any time in online forums dedicated to Japanese TV, J-Pop music stations, or live sports streaming, you have likely stumbled upon the cryptic search term: . github jp.m3u