If you havent played FF7 Crisis Core, I highly recommend you do for more FF7 lore. : r/FFVIIRemake

Square Enix Is Finally Making The Final Fantasy VII Cinematic Universe Playable

Final Fantasy 7 Remake review: flawed but fascinating - Polygon

Final Fantasy 7 Remake's Ending, Explained

Final Fantasy 7 Remake: The Lore Behind Zack Fair Explained

Crisis Core: Final Fantasy VII Reunion Review - Birds of a Feather

New FFVII 'Projects' Teased Alongside Known Games on Its Anniversary - Siliconera

Crisis Core: Final Fantasy VII Reunion Is Apparently Much More Than A Remaster, But Not A Complete Remake

Why you should play Final Fantasy 7 before Crisis Core FF7 always!

Final Fantasy VII Remake - Wikipedia