 Park released his single "Girlfriend", along with the music video via his YouTube channel on November 3. Park performed his single on the same day at the 2011 Style Icon Awards, following a recording of tvN's Taxi. The movie Mr. Idol in which Park starred in was also released on November 3. The single peaked at number 28 on the Gaon chart. Park released Part 1 of his first full-length Korean album, New Breed, with the lead single "Star" (Korean: 별; Revised Romanization: Byeol) on December 28. "Star" peaked at number one on various sites like Bugs, Olleh Music, and Soribada while being on the top of other charts of music sites. The first part of New Breed also reached the top of charts of various music sites including Olleh Music, Bugs, Soribada and Daum. "Star" peaked at number 17 on the Gaon Chart.
