BTS Jimin and Ha Sung Woon's song is at No.1 on iTunes

On April 25, Jimin and Ha Sung Woon released the duet track With You

The contribution was to the soundtrack of the star-studded tvN drama Our Blues

Within Four Hours 42 minutes, the song reached the No.1 position on iTunes

Tuning across 100 different regions, it is the fastest song ever to achieve the feat

The previous record for the same is held by BTS’ Dynamite

But it took approximately 8 hours for Dynamite to reach the mark