Nier Reincarnation Is Crossing Over With Final Fantasy XIV - GameSpot

It's coming later this month in Japan.

Nier Reincarnation x Final Fantasy XIV Collab Runs From May 12 - QooApp News

Final Fantasy XIV content is going to Nier Reincarnation in Japan in May, followed by other worldwide releases later - Game News 24

SQUARE ENIX The Official SQUARE ENIX Website - The FINAL FANTASY XIV crossover has arrived in NieR Re[in]carnation!

NieR Reincarnation FFXIV Crossover Characters and Date Revealed

2B (Nier: Automata) - Wikipedia

NieR Reincarnation Roadmap Confirms Global FFXIV Crossover Event - Siliconera

NieR Reincarnation NieR Automata Crossover Event Trailer

NieR Reincarnation Roadmap Confirms Global FFXIV Crossover Event - Siliconera

NieR Re[in]carnation YoRHA Stage Play Crossover Commences!