Steins;Gate: The Movie - Load Region of Déjà Vu (2013)

Plot

A year after the anime's conclusion, Rintarou grapples with the consequences of his time-traveling adventures, ultimately disappearing from existence. With only Kurisu holding onto memories of him, she embarks on a desperate mission to restore his presence in the world. As she navigates the complexities of time and her own emotions, Kurisu faces daunting challenges that test her resolve and ingenuity. The journey unfolds with suspense and poignancy, exploring themes of memory, love, and the intricate threads of fate that bind them together.