Takahiro Konagawa

 is a Japanese guitarist, singer, and musical composer from Kashiwa, Chiba. He came out as a guitarist of Charcoal Filter in November 1999. He has also performed as a solo artist since December 2003. His first solo album "The first tears" was released in July 2006.
He played guitar on the Puffy AmiYumi song "Tokyo I'm on My Way"
Discography.
The first tears
Composition.
Konagawa is composing all of his songs and many of Charcoal Filter’s songs. For example, "Sotsugyō" (卒業, Graduation), "BY MY SIDE", "Niji" (虹, Rainbow). In addition he composed the following songs for Takashi Tsukamoto and Satomi Yoshida.