It is a separate outfit. The bra is from Nezzar's Ultimate Lingerie Collection, and I 3d modeled a new pair of panties with an ERF schlong merged in. Here is the basic rundown of what I did. I hope it helps you and others.   1.) Make the general shape you are looking for in Bodyslide (I am using ERF High Poly Futa) 2.) Export from Outfit Studio as a .obj and import it (and your character's body) into Blender. 3.) Use the Curve Modifier to bend the schlong as you wish. 4.