Hwang Yun Seong, who participated in "W Project 4," released a cover video of Dean's "What2do."

On Sept. 3 at 6 p.m., his agency Woolim Entertainment made a surprise release of Dean's vertical live video of what2do sung by "W Project 4" Hwang Yun Seong through the official YouTube channel of "The Live."

In the released video, Huang Yun Seong captures the eyes and ears of the beholder by presenting a sweet  tone against the backdrop of the white studio.

In particular, the cover video, which was released this time, shows the vocal skills of Hwang Yun Seong, who had been hidden by his colorful performances and is receiving positive responses from many fans.

As such, Hwang Yun Seong, who has various charms including rap and vocal as well as performance skills, has recently released his new song "One Minute and One Second" and is communicating with fans through various contents.

The new song "W Project 4" topped the K-pop song charts in Japan and Cambodia's iTunes right after its released, receiving much love from abroad as well as at home, raising expectations for its official debut.