Singer Kim Hyun Joong returned to his fans with a blockbuster song "Unbreakable."

Today, Kim Hyun Joong's song "Unbreakable" was released. His full third mini album "Round 3" will be released on July 22.

A strong sense of the Korean culture was added onto the song with traditional Korean phrases, and Jay Park added onto the perfection of the song by featuring as a rapper.

The music video for "Unbreakable" took $300,000 that included a high class sports car, martial arts, and many other things.

Photo Credit: Kim Hyun Joong