2nd member has been revealed to be Raina for After School's new sub-unit group (first member was Nana), Orange Caramel.
Pledis has previously stated, "Orange Caramel will be a 3 member group and After School's first subunit group. They will show a completely new image with this fresh start. Look forward to the fun and lovely performances to come."
source: orangecaramel | artsnews
translated by: filmsession @ omona