Then the curtains opened again and this time the third person showed herself and smiled brightly to everyone and waved to the boys

She reached them all smiled and introduce herself and the boys did the same as well. 

"Seohyu--" sunggyu cutted the words of  

"Before we react to our guest let us finished the coming out of our guest because they've waited for so long already." Sunggyu said to them thats why they agreed as well. 

"4th guest pls come out!!" They yelled with excitement.

Then the curtains opened and revelead the 4th guest and smiling and waving already and came down the stairs slowly.

Then they welcomed her and said their introductions as well. 

"5th guest pls come out!!" They yelled again 

Then the curtain opened again and revealed the fifth guest and she smiled and waved to all 

Its SNSD's black Pearl Yuri.

Then Yuri introduced herself and the infinite did the same as well and then after that they called the 6th guest 

"PLS COME OUT 6TH GUEST!!" They all yelled 

Then the curtains opened again and revealed the 6th guest and the guest came out smiling and waving to them as well 

Its snsd's sunny 

Then sunny came near to them and showed her aego and introduced herself and then the infinite introduced themselves as well then. 

"PLS LAST GUEST COME OUT!!" they screamed for the last time.

And the curtain finally opened for the last time and the last guest come out slowly and revealed herself smiling and waving to them and to the camera. 

Its SNSD's visual Yoona