How Is Hatsune Miku Made Of In Real Life?

So, How Is Hatsune Miku Made Of In Real Life? No, It's Not a virtual singer made from "manga drawings and softwares that generate voices" Or, A lot of articles have called Miku a "holographic idol" or something along those lines. The concert avatars are definitely not holograms—the glass screen they're projected onto isn't hard to spot in the videos—and Vocaloids were popular for years before any concerts featuring them took place, so it's an overly flat depiction...

And, The Only Vocaloid Thing Made In Real Life Is A Special Screen, A glass screen they're projected In, It's A Special Glass Screen!