Kitagawa Katsutoshi, Ito Rieko and Nino (since 2002).
Round Table is a J-pop band known mostly for their anime soundtracks. They are most popularly known in the anime world for their hit single, "Let Me Be With You" - the opening song for the anime Chobits. The band was formed in 1997 with Kitagawa Katsutoshi (vocals, guitar, and bass guitar) and Ito Rieko (vocals and keyboard) as band members. In 2002, Nino joined as a guest vocalist. Nino provides the main vocals for the songs while Kitagawa provides backing vocals. Since then their songs have often been credited as "Round Table featuring Nino" [Source: Wikipedia]