She has released two singles, both as ending theme songs for the Is This a Zombie? and Is This a Zombie? of the Dead anime.
Yamaguchi thanks her first agency JTB Entertainment, 81Produce, FlyingDog, her staff, and her fans.
She has appeared in such anime as Freezing (Mackenzie Torisu), Is This a Zombie? (Taeko Hiramatsu), Sacred Seven (Ageha Yamaguchi), Kamisama Dolls (Yurako Somaki), Morita-san wa Mukuchi.
Voice actress Rie Yamaguchi announced on her official blog on March 1 that she resigned from her agency 81Produce on February 28, and has retired from voice acting.