Now when an OST or a remake hits number one on music charts, that is one good song. So basically we're saying that's how good Oh Hyuk's new song is.

His OST "A Little Girl" for popular drama 'Reply 1988' has achieved an all-kill on real time music charts!

That's right, as of November 21 7am KST, "A Little Girl" was number one on Melon, Genie, Soribada, Olleh Music, Naver Music, Mnet, Bugs and Monkey3! The song was at the top of all main 8 music sites.

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Watch the MV below if you haven't already. And so you don't miss out, 'Reply 1988' airs every weekend.