 Park also received a brand new Hyundai i40 and 300 million won (~$257,400 USD), was cast in a drama, and was also given an opportunity to sign a contract as a CF model.On September 19, 2012, it was announced that Park would debuting with a duo along with Baek Yerin.Park officially debuted with duo 15& with released digital single "I Dream" on October 5, 2012 and making official debut stage on the music program "Inkigayo" on October 7.