Career
As a child, Utoku listened to a lot of music, including music made by Momoe Yamaguchi. She has written and sung many songs, such as Wasurenagusa, and Sonic the Hedgehog fans remember her for her vocal work in the original version of the Sonic Civil Defense video game"s opening and closing themes in Japan and Europe, Sonic – You Can Do Anything and Cosmic Eternity – Believe In Yourself in 1993. In addition, she also provided Sonic"s vocals in the game.