Girl group 4minute's member Kwon Sohyun self-promoted 4minute's new title song "Cold Rain."

On January 26, Kwon Sohyun posted on her Instagram, "4minute's 'Cold Rain' was released~ Our first title song, please listen to it a lot~ and be excited for our second title song too" along with a picture.

In the picture, Kwon Sohyun is posing for the camera in the same outfit she is wearing in the music video.

"Cold Rain" is the first ballad song 4minute sang since their debut and was released on January 26 through various online music websites. They will be releasing another title song in February.