The music video for "Good Guy," a new song by the group SF9, has surpassed 10 million views.

The music video for "Good Guy," the title track of SF9’s first full-length album "FIRST COLLECTION," reached 10 million views on January 9 at 7 a.m., three days after its opening.

The title track, "Good Guy," features a confident approach to a favorite opponent, and expresses SF9’s restrained mood with luxurious sound making and harmonious and trendy K-pop styles. In the music video, SF9 members, clad in suits, show active yet tense sides through boxing, football and tennis, focusing their attention on their high-end and understated charms.

SF9 is showing off their strong potential by topping the chart music charts daily with sales exceeding the initial sales volume on Jan. 7, the day it was released, and topping the iTunes overseas charts as well as major music charts in Korea.

SF9 released their comeback stage for the first time through Mnet’s "M Countdown" on Jan. 9, and starts a full-fledged music career.