It's a Pixiv meme which started with this image Less than 4 hours later deino posted his 3D model, used in some video. other artists followed. I'm afraid it's slowly becoming Vocaloid's yukkuri shiteitte ne
That's already tagged here m9(Β―3Β―) Shiteyanyo.That's the title of the original image, as well as the Pixiv tag and a part of the lyrics from a certain song