비투비 포유 (BTOB 4U) - 'Tension' @2021 BTOB 4U ONLINE CONCERT [INSIDE] Composed by earattack, Jimmy Claeson, eniac, 김좌영 Lyrics by earattack, 프니엘 Arranged by earattack, eniac, 김좌영 BTOB Official Facebook: https://www.facebook.com/BTOBofficial BTOB Official Twitter: https://twitter.com/officialbtob BTOB Official Instagram: https://instagram.com/cube_official_btob BTOB Official Weibo: http://weibo.com/cubebtob BTOB Official Fansite: https://www.united-cube.com ⓒ All Rights Reserved CUBE Entertainment Inc. #비투비포유 #BTOB4U #INSIDE