Red Velvet's Irene and Yeri warned all the "Bad Boy"s with their moody glares and killer visuals.

Red Velvet will be making a comeback with the repackaged version of their 2nd full album. Titled 'The Perfect Red Velvet', the album will contain 3 new songs for a total of 12 songs. The girls' title track "Bad Boy" is a dance track with a groovy, synth melody and a catch bass sound.

Admire Irene and Yeri's gorgeous teaser images below, and get ready for 'The Perfect Red Velvet' on January 29!