- Stage name: Sun Mi (선미)
- Full name: Seon Mi (선미)
- Nickname: 4-Dimensional, SunMa
- Birthdate: May 2nd, 1992
- School: Chung Dam Middle School, Chung Dam High School
- Height: 167cm
- Weight: 43kg
- Blood type: AB
- Religion: Christianity
- Duration of Training: 1 year 6 months
- Specialty: Vocal, Choreography, Poppin’, Street, Acting, Chinese
- Favorite Food: Udon
- Favorite Artist: Beyonce, Rain
- Favorite Actor: Song Kang Ho
- Favorite Color: Purple
- Ideal Type: Person who is masculine