Unlock (stylized as UNLOCK) is the debut Japanese studio album by South Korean band Day6, which was released on October 17, 2018. The album features 10 tracks, including the singles If -Mata Aetara- and Stop The Rain. The album peaked at number 21 on Oricon Charts.
In January 2018, it was revealed that Day6 would make their Japanese debut with the release of the single "If -Mata Aetara-" on March 14.[1] They released their second Japanese single album Stop the Rain, produced by Shinichi Ubukata, on July 25.[2]Breaking Down was released along with a music video in September (one month prior the release of the album) as a promotional track.
Members Sungjin, Jae, Young K and Wonpil participated in the writing of the lyrics and all members, including Dowoon, participated in producing the tracks. The album only includes original songs as it does not feature Japanese versions of Day6's songs.
"週間 アルバムランキング 2018年10月15日~2018年10月21日" [CD album weekly ranking from October 15, 2018 to October 21, 2018] (in Japanese). Oricon. Archived from the original on October 24, 2018. Retrieved October 24, 2018.
"週間 アルバムランキング 2018年10月22日~2018年10月28日" [CD album weekly ranking from October 22, 2018 to October 28, 2018] (in Japanese). Oricon. Archived from the original on October 31, 2018. Retrieved October 31, 2018.