We start by all making out until Serafina makes her way down between our legs. I shove my fingers down Filth's throat while Serafina jumps back and forth between my pussy and hers, pausing to let us taste each other. Filth and I put Serafina on the couch, returning the favor and sharing her pussy. I love the part where I'm being too gentle shoving my fingers down Serafina's throat and she looks me in the eyes and grabs my hand to shove them deeper. then we get in a circle simultaneously eating each other out. Filth gets real creamy and Serafina shares it with me. Serafina and I put on straps and fuck Filth's face together. I use my fingers to fish hook Filth's mouth open and we manage to fit both of our dicks in at the same time. we throw filth up on the table and give her a good old spitroast, fucking her until she cant keep the other dick in her mouth, and pulling her hair to get a good arch. Filth lays on the floor and Serafina slides her cock into her. I notice her strap has an opening that I can reach her cunt through and I slide into her, pounding her into Filth. Sera had mentioned wanting to be fisted before we started, so I pull my cock out and work my hand into her. we are going hot and heavy when... what's that? a knock?