A Pink (에이핑크) is a seven-member South Korean girl group under A Cube Entertainment. They debuted on April 19, 2011 with the EP Seven Springs of A Pink, and rose steadily in popularity.Stumbled upon this. New group produced by A Cube Ent. They're releasing a new member's face one at a time. so for now you just have their asses:

So I guess the "A" stands for ass, eh?
source:
Wiki /
twitterso far we have:
Kohy (오하영)
http://twitter.com/Apinkohy (박초롱)
http://twitter.com/Apinkpcr (손나은)
http://twitter.com/ApinksneLooks promising
eta proper thread makingChorong
Birth Name : Park Chorong (박초롱)
Birth date : March 3th , 1991
Height : 165cm
Weight : 46kg
Position : Leader , Rapper , Vocalist
Specialty: Dance, Taekwondo
Twitter :
@ApinkpcrBomi
Birth Name : Yoon Bomi (윤보미)
Birth date : August 13th, 1993
Height : 163cm
Weight : 45kg
Position : Rapper , Vocalist
Specialty: Singing, Dance
Twitter :
@ApinkbmNa Eun
Birth Name : Son Na Eun (손나은)
Birth date : February 10th, 1994
Height : 168cm
Weight : 47kg
Position : Vocalist
Specialty: Dance, Acting, Art
Twitter :
@Apinksne Eunji
Birth Name : Jung Eun Ji (정은지)
Birth date : August 18th, 1993
Height : 164cm
Weight : 47kg
Position : Main Vocalist
Specialty: Piano
Twitter :
@ApinkjejYoo Kyung
Birth Name : Hong Yoo Kyung (홍유경)
Birth date : September 22nd, 1994
Height : 167cm
Weight : 48kg
Position : Vocalist
Specialty: Singing, Dance
Twitter :
@ApinkhykHa Young
Birth Name : Oh Ha Young (오하영)
Birth date : July 19th, 1996
Height : 167cm
Weight : 46kg
Position : Maknae , Vocalist
Specialty: Singing, Dance
Twitter :
@ApinkohyNam Joo
Birth Name : Kim Nam Joo (김남주)
D.OB : April 15th, 1995
Height : 165cm
Weight : 46kg
Position : Rapper , Vocalist
Specialty: Singing, Dance
Twitter :
@APINKKNJSource:
Mayachan05 @ soompi and
Wikidebut:
Seven Springs of A Pink
Released: April 19, 2011
1.Seven Springs of A Pink
2.I Don't Know
3.It Girl
4.Wishlist
5.Boo"