TS Entertainment previously asked fans to name the fourth member of their upcoming new girl group, SONAMOO.  The results are in!

Introducing the fourth member, D.ana!  The agency previously revealed that she is 20 years old, attends Dongduk Women's University as a theatre and film major, and possesses a glamorous figure. She will be the rapper of the group with her rapping skills and low, charismatic voice as heard through her rap "Light the Fire."  

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She and member New Sun will actually both be in charge of the rapping in the group with their names and personas representing the night and the day respectively for the purpose of "showing an addictive rap that will circle around your ear for 24 hours."

Meanwhile, the other members are Nahyun and Eui Jin.  You can see all four of the members in the picture below now!