I bought only the gangbang pack; the content is really bad. I'm trying to retarget it—both in Blender using ARP and in Unreal—but it's not working.
Viewing post in Unity Sex Animation: Party Pack comments
It's important to keep in mind, the Animations are made primarily for Unity and were made in Unity, I don't know what files you used, but if you used the Meshless files, try using the Anima files instead, especially for Unreal, because from what I heard about Unreal, you can't import a meshless animation.