This is the Sheet Music PDF of Ru's piano cover “進擊的巨人完結篇主題曲 - 二千年... 若しくは... 二万年後の君へ・・・ To You 2000…or…20000 Years From Now…”
Here is the YouTube video: https://youtu.be/fiWSDph6tWA?si=XGimrjYAtmlKZgQ_
Arranged and Performed by RuRu. (鋼琴改編及演奏: RuRu)