Singer Ha Dong Kyun has released an album after a 5 year hiatus.

Today, he released his new album, MARK, on various online music sites.

His title song, "From Mark," is a song that he helped produce and write. This song reveals his powerful and emotional vocals.

He also ranked number 1 on the real time search engine after releasing his title song teaser on December 14.

On the other hand, he will be holding a celebratory album release concert on December 31.