galaco (ギャラ子) is a Japanese VOCALOID originally developed by Internet Co., Ltd. and YAMAHA Corporation, under the Stardust Music, Inc. name. Her update is a collaboration between YAMAHA & Stardust Music, Inc. only. She was offered exclusively as a competition prize in the VOCALOID Shop, and was initially released in August 2012 for the VOCALOID3 engine. The voice provider was revealed to be Kou Shibasaki (柴咲 コウ; Shibasaki Kō),[1] a Japanese actress, singer, and member of the Japanese music group, galaxias!.