Sachiko is a Japanese VOCALOID developed and distributed by the YAMAHA Corporation, and was released for the VOCALOID4 engine.
Her name is derived from her voice provider, Kobayashi Sachiko. Her appearance was illustrated was designed by Midori Foo. She wears Japanese style clothing with cherry blossom print. She has a large obi and long sleeves with speakers on them. She wears thigh boots and a flowered hair ornament.