Rape and violence that are not part of background stories, (bar fights and zombie killing not included) and death of main characters. I have to agree with others that poor writing can end it for me also, If it's really bad.
I don't really like violence or horror combined with sex. But a well done post apocalypse VN where the violence and horror are mostly backdrop I can get into.
Kingly constitution
Article 1
The King must have a Harem
Tryouts to begin immediately
Article 1 subsection 1
The king is automatically on all females cheating Hall Passes
Article 2
World peace and prosperity
I like a little grind, with M&F I find it hard to really immerse and enjoy. But then, too much grind or mini games I just start skipping or move on to the next game.