The game is set over a couple's wedding Day. I am not sure what the characters would be like but I am thinking she might suddenly get scared. Perhaps she has not had much sex and suddenly decided to experiment?
It could include, rough, exhibitionism, incest. I kind of like the idea that her husband might catch her a couple of times but not say anything.
She could sleep with her Dad/Brother, the best man, a gang bang, her best firned, and finally with her husband as she makes him kiss her freshly fucked pussy.