B1A4 (비원에이포) KOREAN B1A4 – Only One (JPN Ver.) Only One 1 2012.10.24 Jinyoung, CNU, Baro, Sandeul, Gongchan Lyrics/作詞: Hwang Sung Jin, Goro Matsui, BARO Composer/作曲: Lee Joo Hyung, Lee Sang Ho Arranger/編曲:…