Yoon Jong-shin
Park joined entertainment company Mystic89, and made her comeback in late October 2013. Her first digital singles released through Mystic89 is "Mr.", which was produced by Primary and "Witness", which was produced by Yoon Jong-shin. Mystic89 and Park plan to release several mini albums, collaborating with top producers and writers. The music will be a varying blend of several genres. Her new album was Mystic company was commercially successful. The title song ranked No. 1 on Korean music release chart such as Naver Music and Daum Music when it was released.