hatsune miku
guy1: watch?v=ysywtesoeoc hatsune miku live guy2: watch?v=2sjxg30qzma
a vocaloid artist who created many japanese songs that are currently very famous in japan and many other places around the world
"guy1: watch?v=ysywtesoeoc hatsune miku live guy2: watch?v=2sjxg30qzma" What is the definition of "hatsune miku"?