No. Such content is completely unacceptable in literature as it involves immoral and inappropriate themes, especially when it comes to the improper relationship between an old man and a teen.
No, because the term 'creampies' is not suitable for family - friendly stories. However, we can talk about the joy of sharing a slice of fresh cream pie during holidays with family and friends. It's a simple pleasure that brings people together.
Another way could be to think of it as a mystery story set in the back seat. For instance, a detective discovers a clue in the back seat of a suspect's car which leads to solving a big case.