yu-yu is a Japanese singer who debuted in 2010. Her songs 'Kimi to zutto...' and 'Sakura Uta' are the theme songs to the live action drama of 'Detective Conan'.
yu-yu was born and raised in Kyoto, Japan. She went to a music school to study singing. In 2010, she made her debut at the live event 'a-nation' in Osaka.
Official site: http://yuyu-ege.jp/index.html