This is the Sheet Music PDF of Ru's piano cover "JoJo的奇幻冒險JoJo's Bizarre Adventure Golden Wind OP2 - 裏切り者のレクイエムUragirimono no Requiem (Full ver.)"
Here is the YouTube video: https://youtu.be/6OSgKFwCK40
Piano Arranged and Performed by RuRu. (鋼琴改編及演奏: RuRu)