Virtual Grandmother Sachiko Kobayashi

The digital avatar of Japanese Enka singer Sachiko Kobayashi (小林幸子) better known as Virtual Grandmother Sachiko Kobayashi (バーチャルグランドマザー小林幸子 Baacharu Gurandomazaa Kobayashi Sachiko) was a female Japanese VTuber who debuted on April 2018.

Trivia

 * She is also the voice provider of a Vocaloid also named Sachiko.