BTS member V's duet with UMI tops iTunes charts in 89 countries

BTS' member V, top left and bottom right, and U.S. singer UMI are seen in this undated photo. Courtesy of BigHit Music

A duet by BTS member V and U.S. singer UMI topped the iTunes Top Songs charts in 89 countries around the world, a day after its release, his agency said Sunday.

The song "wherever u r" ranked at No. 1 on the charts in the United States, Britain, Canada, Germany and dozens of other countries as of 10 a.m., according to BigHit Music.

Written by UMI and featuring V on vocals, the song was released on the day of the BTS member's birthday.

V is currently serving his mandatory military service after enlisting in the Army on Dec. 11. In Korea, all able-bodied men are required to serve in the military for at least 18 months. (Yonhap)