MNET release the BTS of Changmin and Moon Gayoung's first kiss in Mimi

Have you watched the premiere of TVXQ's Changmin and actress Moon Gayoung's ghost romance drama 'Mimi' last Friday?

To get you glued on the mini drama, MNET releases the making/BTS of the couple's first kiss. Did they have NG? or they are just oo comfortable with each other?

Find out by watch the clip below: