1 (B1A4 album)
1 is the Japanese debut studio album by the South Korean boy band B1A4. It was released on October 24, 2012, in three editions: CD+DVD (includes the CD and a DVD with the music videos for "Beautiful Target" and "Oyasumi Good Night" plus making-of videos), CD+Goods (includes the CD and a special member figure, one of five), and a regular edition (includes the CD and a special trading card, one of five). All editions include a lottery ticket for a Premium Event to celebrate the album’s Japanese release.
The album has ten tracks: two singles, five new songs, and three Japanese versions of songs originally recorded in Korean. The three Korean-origin tracks—"O.K", "Only One", and "Waruikoto Bakari Manande"—are included here as Japanese versions.
Two songs were released as singles:
- "Beautiful Target" is the Japanese version of the group's Korean debut single, released June 27, 2012. It peaked at No. 4 on Oricon's Weekly chart, with about 38,000 copies sold.
- "Oyasumi Good Night" is the Japanese version of "Baby Good Night" (retitled in Japanese). It was released August 29, 2012 and also peaked at No. 4 on Oricon's Weekly chart, with about 39,000 copies sold. The Korean original appeared on Ignition.
This page was last edited on 2 February 2026, at 19:25 (CET).