Intro: Say A

Miss A which stands for Miss Asia is a group of mixed Nationality (Two Chinese Members and Two Korean members). Miss A was formed by JYP Entertainment (one of the big threes) and is managed under AQ Entertainment. 

Miss A

Miss A not only promotes in Korea but in China as well, the girls also had activities in China before their Korean debut, they were known as the JYP Sisters.

Miss A consist of Chinese members Fei and Jia, and Korean members Min and Suzy.
Miss A's leader Fei was scouted on her way to school. Jia's school held auditions, which she auditioned for and became a JYP trainee.
Min, was recruited by JYP at a young age, and was sent to the United States to train and debut there. Min stayed in the United States for approximately a year and a half, then she ran away to Korea without the knowledge of her label and taught English. Min was the last member to join Miss A. Suzy, starred in a movie before her debut, and was nicked named "the Nation's First Love".
When it comes to Miss A's debut song, "Bad Girl Good Girl" was a hit in Korea, so much of a hit that some of their songs afterwards was never met the same success as their debut song.
 "Bad Girl Good Girl" is one of my favorite songs from this group, from the catchy chorus to the risque dance, "Bad Girl Good Girl" is actual one of the few good debut songs.

PS. If you want to know more about Miss A, check out their Artist Profile

Bad Girl Good Girl Who's Who is here