There is a war between Vampires and Succubi. One girl holds the key to give either side a distinct advantage, and you just married her. How did you ever get yourself mixed up in such a mess? You will...
If you receive an exception error, most of the time, it's safe to click "Ignore" a few times and keep playing.
If you don't see the game menu after loading in, try resizing by using cinema mode.
If nothing works, please use the report button.