Super Junior and 2PM members were on MBC 'Intorducing Star's Friend – Survival' where they have to win the hearts of the female guests present with their charms.
The show is similar to what the common MT (youths' gathering). And 2PM ChanSung won #1 during the survival game. With his winning of #1, he was awarded kisses by the female guests. Unable to hide his excitement, he ran off and needed the other members to help control him down.