RED VELVET-Mini Album-RBB (Import Disc).Perfect girl group Red Velvet releases their 5th mini-album RBB ! Triple hits predicted with `Bad Boy`, `Power Up`, and `RBB (Really Bad Boy)`! Specifications SLEEVE BOX (143x125x17mm) JEWEL CASE & Lyrics 24p PHOTO BOOK 56p (142x125mm) RANDOM CARD 1 out of 10 (55x85mm) Sales volume will be reflected in Korea's HANTEO and GAON charts. Bonus items may not be available after the pre-order period.