Group BTOB released their Japan debut single, WOW, short version music video online.

On November 12, BTOB will officially release their Japan debut single. However, they have decided to release the short version music video first to their fans.

This short version music video of "WOW" is only 1 minute and 40 seconds long and reveals a mysterious antique style background and more powerful and fresh moves from the group.

This short yet powerful video gained much attention from fans as they anticipate their official release.

In the released video, BTOB released a 'cutie hip hop' style with colorful style and witty moves. Fans were able to see their new fun and unique image through this short video.

This short video also released for the first time the Japanese version of "WOW." This version featured a fun new jack swing sound and addicting Japanese lyrics. This other style of their song showed off a different image to the group as well.

"WOW" first released in Korea in 2012 and was known for the group's energetic vibe and talented vocal skills. It received much love from fans with their new jack swing sound and also was praised by world famous producer Teddy Riley.

BTOB showed a different style to the K-Pop scene as they delved into the new jack swing genre along with their fresh vocal and rap melodies.

This style and genre allowed the group to showcase their talents and skills to its full potential.

Many believe that having "WOW" as their Japan debut single will prove to be very successful and become a new 'hallyu rookie' with their performance.

Also after confirming their release for "WOW" in Japan, it topped 1-3 on the Tower Records Reservation Chart and received much attention.

BTOB will head to Japan on November 8 and hold a debut showcase and other events to promote their new single.