Best known as the main vocalist for the Japanese band Goose House. She is also a member of the group Tetra+ and embarked on a solo career in 2013.
She is one of the founding members of Goose House which originally formed in 2011 under the name PlayYou.House. They began their career posting videos to YouTube.
In 2014, she released her debut solo album titled KEI's 8.
She lived in the U.S. for a short time as a child and became fluent in English.
Both she and Yuya Tegoshi are members of popular Japanese music groups.