M4M, the�project group of�Cube Entertainment and Chinese company�Xing Tian, have released the music video for their debut song "Sadness".

As mentioned before, the group has been put together through a rigorous audition process in China, including Hong Kong and Taiwan, and has been preparing for their debut under Cube Entertainment.

Made up of�Jimmy,�Vinson, Bin,�Alen, the group will be making their debut in Korea as well as China with "Sadness" this month.

Check out the MV below!