It's been a while since such a dramatic OST has been heard for a romance drama! Reminiscent of the earlier 2000s, no?

MONSTA X's Kihyun lends his voice to this piece of nostalgia as his gentle voice goes from crooning to powerful soaring as he relays all the emotions of a difficult love story.

SEE ALSO: RIIZE's Sungchan breaks down during concert talking about finally being in permanent group with Shotaro

The newly dropped "One More Step" MV includes the best scenes from the 'She Was Pretty' drama!  Check it out above.