Hatsune Miku, officially code-named CV01, is a Vocaloid software voicebank developed by Crypton Future Media and its official anthropomorphic mascot character, a 16-year-old girl with long, turquoise twintails. Shiteyan'yo was born of the idea of creativity of imagining Miku's twintails in the form of legs The overall design of Mikudayo is based on a Nendoroid Miku, but the details were rough and clumsy. Her unbalanced big head, dull eyes, chubby cheeks, large rubber rain boots.