So Girls is the second mini album by Rainbow.
It was released in South Korea on April 8, 2011. The album features 6 tracks with To Me being the title track.
A repackaged version of the EP was released on June 22, 2011 with the song "Sweet Dream" as the title track.
The cover photo for the album (and the overall concept) was spring, with the girls being photographed in white dresses while standing in a field of flowers. The tracks on their album were referred to as "luxurious, mature, feminine and sexy".
1. So Cool
2. To Me
3. I Said You're The One
5. To Me (instrumental)
III. MV and Album Tracks