- Nickname: UK
- Birthday: November 11, 1991
- Age: 27
- Joined: Late 2010 founding member
- Left: December 20 2011
- Lyrics Written: Spoon, Usagi Planet
In 2015 she was admitted into a psych ward after feeling suicidal. After being discharged, she did not leave her home for about a month.
She got married in 2017 and gave birth to her first son on March 8, 2018.
She is a fan of BiS’s Aina The End and frequently tweets her.
She performed with BiS once more at their final disbanding live on July 8 2014.
After leaving BiS, she became the vocalist for the band Morphine Tokyo. After Morphine Tokyo disbanded, she formed another band called The End alongside the composer of BiS’s song [nerve], miifuu.
August 2018, she announced her intentions to form and produce her own idol group. Auditions are open until August 12 for girls under the age of 23. The base salary is 40,000 yen (£280) and 10 – 30% commission from all goods sold.