HyunA A+ Mini Album Vol. 4

Following group promotions earlier in the year, 4Minute's HyunA makes a sizzling hot solo comeback with her fourth mini-album?A+. The sexy young diva works again with Seo Jae Woo, Big Sancho and Son Young Jin, the team behind "Crazy" and "Red," for her new title song "Roll Deep" featuring BTOB's Il Hoon.?Unpretty Rapstar's Yuk Ji Dam features in "Ice Ice" while 10cm's Kwon Jung Yeol features in "Get Out of My House."

This album includes a 64-page booklet.