User blog comment:Damesukekun/Song Translating and Mistranslating/@comment-25648422-20170324131250/@comment-1523675-20170324153217

I think the advertisement is a YouTube Partner Program content by Crypton as an agency of Buriru. In other words, Crypton registered Vocaloid songs to YT for Ps, YT broadcasts ads and pays money to Crypton, and Crypton distributes money to Ps.