Yui Itsuki(伊月 ゆいItsuki Yui, born October 25, in Tokyo) is a female seiyū who works for Holy Peak. Her blood type is B. As a musician, she is the lead singer behind the band Yōsei Teikoku (under the persona of Fairy Yui), and speculated to be Karen of Denkishiki Karen Ongaku Shuudan.