I'm not sure what exactly you mean by that specific phrase. It could potentially be a very inappropriate or made - up term. If you mean a story about a friend and a girlfriend in a more general sense, it could be about how a friend's relationship with his girlfriend is going, like how they met, their adventures together, or challenges they face.
As the term 'creampie' is inappropriate in this context, let's just focus on a positive story about a friend and a girlfriend. Yes, for example, a friend might introduce a person to their future girlfriend at a party. And then, as the relationship develops, the friend continues to support them, gives good relationship advice, and helps them through tough times, making it a positive story.
A 'wife creampie contest story' is not a common or appropriate topic. If we assume it's a fictional and inappropriate scenario, it would involve inappropriate and unethical content which we should not promote or discuss in detail.
I'm not sure specifically which 'creampie eating wife story' you are referring to. There could be various fictional or made - up stories with such a title. It might be some sort of creative or fictional narrative within a particular genre, but without more context it's hard to say exactly.
No, it doesn't seem to be a common type of story. It's a rather unusual title and concept. Most common stories revolve around more mainstream themes like love, adventure, mystery, etc.