Finally , T - ara had comeback on December 3 , 2010 and perfom on Mnet Countdown . Hwayoung felt tense and nervous Because this is her first appearance with T-ara . But thanks to Hyomin who is moodmaker made atmosphere became relax in the group .

Hyomin : Hwayoung - ah , Because You as the new maknae . You must have a lot of aegyo .

Hwayoung : like this ? ( By doing aegyo buing buing )

Eunjung : your aegyo still less funny and cute . Still the Dino  cuter than you .

Jiyeon : Eunjung unnie , aegyomu also less cute .

Eunjung : let's see who is more cute when doing aegyo .

Jiyeon : let see who is the most cute.

Hwayoung , Jiyeon and Eunjung did aegyo buing buing . Of course Jiyeon is the winner .Hwayoung and Eunjung lost so they had to perform a dance Boo Peep Boo Peep . Their appearance drew laughter from all the members . Soon their turn perfomed on stage .

They performed the song " Ya ya ya " and " Why are you being like this ? " . Appearance on the stage was a success and their song reach success of in the charts . following next week their song " Why are you being like this ? " Won awards at Mnet Countdown music .

 All members went on stage and cried . Hwayoung also crying . she could not hold back tears as the first award for her . When receiving the award Eunjung who first gave a speech .

Eunjung : thank you to all those who supported us all . Happiness can not be expressed in words .

Hwayoung : I got this still does not believe that it's real . This is the first award after the addition of a new member . Continue to support T - ara and I will continue to work hard . ( While bowing 90 degrees to the audience ) .

author note :

hwayoung finally debut with t-ara after have many difficult cause eunjae,yejin and hweji did in Story of Idol and anti fans.  please as Queen give your coment, subscibe and upvotes for sake t-ara.