Narihajimeta Koi no BELL (鳴り始めた恋のBELL; The BELL of Love That Began To Ring) is Ongaku Gatas first single. It was released on September 12, 2007 on the zetima label in two versions: Limited with DVD and Regular. The Single V of the single was released on September 12, 2007. The single reached #10 on the Oricon charts and sold a total of 14,527 copies. The single V reached #3 on the Oricon charts and sold 7,254 copies.