MGS V, XOF assault on your base. But instead of that dogshit scenario from original cutscene, here your mother base has game accurate upgrades and personnel, while XOF is using powerful equipment and tech to actually have a chance against proper MSF at 90% game completion.

Scenario is pretty open, you can be literally anyone, besides the main characters cast.

Scenario includes: Kazuhira, Huey, Metal Gear ZEKE, Big Boss, Cécile Cosima Caminades.