About The Great Gatsby for NES

If anybody has more info about this please ! As it is, I really don't know much about this game. I found it at a yard sale. I bought it for 50 cents and went home to try it out. After dusting off my NES for like, 20 minutes I got it working, and jesus. So weird. Apparently it's an unreleased localization of a Japanese cart called "Doki Doki Toshokan: Gatsby no Monogatari", but I haven't found anything about that either. What's left of the manual was just rubberbanded to the cartridge. I finally scanned them:



