The first version of Yuki Miku, released in 2010, featuring a simple recoloring of Hatsune Miku's outfit. Her outfit has a blue and silver/white theme with a blue necktie, white shirt, grey sleeves and thighhighs. Her necktie and hair have snowflake prints.
Her fan nicknames include 初代 (shodai/ Founder), 初雪(hatsuyuki/ First Snow), or rarely 無印 (mujirushi/ Unlabeled).
This tag implicates yuki_miku (learn more).