|3 = * 2007: Piapro officially opened. |4 = * 2009: SF-A2 miki was released. * 2009: Yuki Kaai was released. * 2009: Kiyoteru Hiyama was released. |5 = * 2012: MAYU was released. |8 = * 2010: Utatane Piko was released. * 2010: A seminar was held on Hatsune Miku. |15 = * 2016: Macne Nana V4 was released. |16 = * 2011: Tone Rion was released. |17 = * 2014: VY1v4 was released. |18 = * 2013: MAIKA was released. |21 = * 2011: OLIVER was released. |22 = * 2009: BIG AL was released. * 2011: CUL was released. * 2011: Yuzuki Yukari was released. * 2012: AVANNA was released.