In 2007, Kubota began working on his fifteenth album. In August 2007, he released a single called "Magic", which featured rapper Kreva. In March 2008, Kubota released another single, "Flying Easy Loving Crazy", a duet song with Misia. "Flying Easy Loving Crazy" was the second in a series of collaborative singles released by Kubota. The song, featuring Japanese R&B singer Misia, with whom Kubota had worked in the past, was written and composed by Kubota. It served as image song for the Japanese promotional campaign of the Cirque du Soleil production "Dralion", "Daihatsu Dralion" in Japan. The B-side of the single features the song "Babylon Lovers," which is performed by Kubota alone. "Flying Easy Loving Crazy" debuted on the Oricon Daily Singles chart at number 10 and peaked at number 18 on the Oricon Weekly Singles chart, with 6,071 copies sold in its first week. The single charted for six weeks and sold a total of 10,505 copies.