Voice Procider: Shibasaki Kou
Galaco was first referenced as a Vocaloid when the Vocaloid Shop's competition for Vocaloid 3 voicebanks was extended to allow new Vocaloids V3 Megpoid - Native and V3 Lily as part of the entry for the compition. She was offered as a prize for anyone who managed to get 1,000+ views on Nico Nico Douga in the Yamaha Shop music competition, but announcement of her name nor image did not come until late April 2012.
Around the month of March, a Demo of her voice was revealed. The vocal will be awarded in conjuction with the end of the competition on the 30th of June 2012.