2PM are filling in the missing piece of their full return with the release of their other title track "All Day I Think of You" ("Ha.Ni.Bbun", "A.D.T.O.Y." )!

You've already heard the first title track along with the rest of the songs in their new album 'Grown' last week, but their release has only now been completed with the reveal of their second title track.

"All of 2PM's varying charms will be displayed through this album's double title tracks. Please look forward to 'Ha.Ni.Bbun' through which the matured 2PM's wild and sexy charms will shine," said JYP Entertainment.

The group will also be kicking off their activities through their comeback show '2PM Returns' on MBC at midnight KST. Prepare yourselves HOTTESTs for the return of the 'wild and sexy' 2PM, and check out the MV below!