It's really hard finding the OG Demon's souls here, but after 3 years of searching, I was finally able to secure it merely a week after finishing the remake! : r/demonssouls
Demon's Souls Was a Disaster, but Miyazaki Saved It | Push Square
Demon's Souls PS3 BCKS 10071 NTSC-K — Complete Art Scans : FromSoftware : Free Download, Borrow, and Streaming : Internet Archive