Super Junior's Heechul and Min Kyung Hoon have revealed their new track "Aftereffects" on 'Knowing Brothers'!

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The duo reunited as Universe Cowards�with "Aftereffects" for 'SM Station', and they performed the song for the first time ever on the February 17th installment of 'Knowing Brothers', which they're castmates on.�After their previous hit with the song "Sweet Dream", fans have eager for their next release.

Check out Heechul x Min Kyung Hoon's "Aftereffects" above!