|1 = * 2014: V1 vocals LEON, LOLA and MIRIAM were permanently retired. |14 = * 2008: Prima was released. * 2016: unity-chan! was released. |15 = * 2004: LEON and LOLA were released. |24 = * 2005: LEON and LOLA were announced to have won the EM Editor's Choice Award for 2005. |27 = * 2012: IA was released. |28 = * 2016: Fukase was released. |30 = * 2009: Megurine Luka was released. |31 = * 2014: Macne Nana was released.