Not only will�Red Velvet (Irene, Joy, Seulgi, and�Wendy) perform their first debut stage on 'Music Bank' on August 1, they will also release their "Happiness" MV on that day!

SEE ALSO: SM's new girl group Red Velvet to hold their first debut stage on 'Music Bank' on August 1

According to SM Entertainment on the 31st, Red Velvet will make their debut with their "Happiness" MV to be unveiled on their official homepage and SMTOWN YouTube channel on August 1. It has been reported that the cinematography of the MV will be fun to watch with its various special effects to bring out the happy virus nature of the song.

Their debut stages and MV tomorrow will all lead up to the release of their debut digital single "Happiness"�on music sites on August 4 at noon KST!