[Machine Translation] Hallyu star Yoon Sang Hyun's second single! The title track "Oath" is a newly written ballad with lyrics and music by Daisuke Mori, a talented singer-songwriter. The second song is a new song by Kami Hirose. This pop tune shows Yoon Sang Hyun's range as a vocalist. The third song is a cover of Kiyotaka Sugiyama & Omega Tribe's 1985 hit "Futari no Natsu Monogatari (Two Summer Stories)," which is the second Japanese-language song Yoon Sang Hyun has covered since his debut song "The Last Rain.