It has been 3 years since Kim Jong Kook has come out with a new album.

Today, Kim Jong Kook's 7th album song, "Men are also Sad" teaser video was released online. It gained much attention as many fans had been waiting for a long time.

The 20 second teaser showed a much more serious and manly image of Kim Jong Kook. He wore a sleek suit and showed off his good looks. His unique voice sang the words, "Men are also sad" at the end of the teaser.

Internet users commented, "I hope this song becomes another hit" and "He is finally back."

His album will release online on October 23.