Takahiro Konagawa (小名川 高弘, Konagawa Takahiro; born November 30, 1979 in Ōita Prefecture), nicknamed Kona, 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
Source: “Takahiro Konagawa”, English Wikipedia (CC BY-SA 4.0), excerpt