Nier will continueas long as Yoko Taro stays alive

Taro and Nier series producer Yosuke Saito have plans to continue Nier, which the latter says basically hinges on Taro staying alive to make it happen.

NieR Series Will Continue as Long as Yoko Taro Is Alive

Nier Automata Director Wants to Make Games “That Keep Changing Form”

It Felt More Like Hell Than Success: A Nier: Automata Postmortem

Yoko Taro Archives - PlayStation Universe

NieR, NIER Wiki

Yoko Taro and crew talk SINoAlice and 'the hassle of explaining NieR to others' – Destructoid

Interview with Yoko Taro, director of NieR: Automata

NieR Automata: Meaning & Existential Despair, by Kristo Sugiarno

Death, Sex, and Love: A closer look at NieR Automata

Crafting a Story with Nier Replicant