Rapper Mario came back after 2 years.

On April 29, Mario released his new song "DAMAGE", singing of a man's regret and sorrow after sending off a lover. Girl group SPICA's Kim Boa featured in the song.

The song is composed by Kim Chang Rak, who is a close friend of Mario. The song was born after much contemplation and discussion, and carries a outcry of emotions expressed through a pained rapping.

Meanwhile, Mario also acts as a producer for his collaboration project with Norajo.