These aren't the only collaborations between the Vocaloid and Sanrio brands, however, or even these two characters ...

Hatsune Miku and her flowing twin pigtails are about to grace the art of some gorgeous collectible ... which go up for sale in May. The vocaloid’s special card collections will drop seasonally ...

Photo: Courtesy of Crypton Future Media It wasn’t until 2007, though, that Crypton released Hatsune Miku (her name means “first sound of the future”), a highly stylized Vocaloid specifically ...