Violet Evergarden: Eternity and the Auto Memory Doll is a 2019 anime film produced by Kyoto Animation, based on the light novel by Kana Akatsuki and a spin-off of the eponymous series.
Synopsis
... I sold my future in exchange for protecting what is precious to me.
A girls's academy that only girls from respectable families could attend. For Isabella York, who attends under a "contract" with her father, this beautiful place where white camellias flourish is nothing more than a prison ...
Before Isabella, who had lost all hope and expectations for her future, Violet Evergarden appears, hired as her tutor.
