Interest Stacks

Every cinema or direct to video anime film that came out in 1991.

1990: https://myanimelist.net/stacks/34459
https://myanimelist.net/stacks/34460
1992: https://myanimelist.net/stacks/34702
https://myanimelist.net/stacks/34703

Part 2: https://myanimelist.net/stacks/34463

Disclaimer: There are a few hentai movies, that could be counted as well:
- Choujin Densetsu Urotsukidouji 2 (1991)
- Koushoku Ichidai Otoko (1991)
- U-Jin Brand (1991)
- Violence Gekiga Shin David no Hoshi: Inma Densetsu (1991)