NekoMiko Premium version will be voiced by Suzuko Mimori, a well known Japanese voice actress.
Suzuko Mimori (三森 すずこ) is a Japanese actress, voice actress and singer who is best known as the voice of Sherlock Shellingford in the Tantei Opera Milky Holmes series, Umi Sonoda from the Love Live! franchise, Kourin Tatsunagi from Cardfight!! Vanguard series, and Nanami Momozono from the Kamisama Kiss series.
https://twitter.com/mimori_suzuko