"The One" is a song by American boy band Backstreet Boys. It was released on May 1, 2000, as the fourth and final single from their third studio album, Millennium (1999).[1] It reached the top 10 in Canada, Hungary, Portugal, Romania, Spain, and the United Kingdom, and it peaked at number 30 on the US Billboard Hot 100. The song was used as the opening theme for the anime series Hanada Shōnen Shi.[2]