[ONE HEARTED] Promotion in Japan Behind EP.1 | 앰퍼샌드원 (AMPERS&ONE)

2nd Single Album [ONE HEARTED] Promotion in Japan Behind EP.1 | 앰퍼샌드원 (AMPERS&ONE) ▷OFFICIAL HOMEPAGE : ▷OFFICIAL WEVERSE : ▷OFFICIAL TIKTOK : @ampersandone ▷OFFICIAL FACEBOOK : ▷OFFICIAL X : ▷OFFICIAL INSTAGRAM : ▷OFFICIAL WEIBO : #앰퍼샌드원 #AMPERSANDONE #ONE_HEARTED #원하티드