Clone Mastodon's repository.
# Clone mastodon to ~/live directory
git clone https://github.com/tootsuite/mastodon.git live
# Change directory to ~/live
cd ~/live
Specifically from Rakuten TV (live.tv.rakuten.co.jp)
FMI: https://cdm-project.com/How-To/ & https://old.reddit.com/r/Piracy/comments/y30ffr/