mizuki is a vocalist that has worked with Hiroyuki Sawano since 2014. She first collaborated on the single A/ZǀaLIEz, providing vocals for the two ending themes for the ALDNOAH.ZERO anime series.

She's also lead singer in a unit band UNIDOTS since 2015. Before that, she was lead singer for band Itsue between 2010 and 2015.