There are two versions for this dress:
V1: The skirt at the back bind to the leg
V2: The skirt at the back bind to skirt bone, and it will be slightly adjustable in studio with FK open.

Download Link:
https://mega.nz/file/dqBSmAgJ#IktPaNSK2lFDx_DrFic8vujsjVJz9XRnaQ0gHCCJUQ0