Kim released his solo debut , the EP '' Break Down , '' on 7 June 2011 . More than 70,000 pre-ordered copies of the album were sold in just 10 days . The EP was the ninth best-selling album of 2011 on South Korea 's Gaon Album Chart , and was certified platinum in Taiwan . Later that year , Kim released his second album '' Lucky '' . The EP debuted at number five on '' Billboard 's '' World Chart , and was the 10th best-selling album of the year in South Korea with over 100,000 copies sold . Following up on the success of a concert he performed in Japan in June , Kim signed a deal with Universal Music Japan in November . Shortly after that , he went on a tour of Japan , performing in seven cities . At the end of the year , Kim won the award for Best Male Artist at the 2011 Mnet Asian Music Awards held in Singapore . On 15 December , Kim released a digital single titled " Marry Me "
2011 Mnet Asian Music Awards
2011 Mnet Asian Music Awards
Kim Hyun-joong