Dallas needs our book help! This one sounds a bit like past reader questions in this trope, however due to the subject matter, it could be just that this is a frequent issue/twist in this genre…
She asks:
Hi Maryse,
I am trying to find a book (possibly a series) where there is a girl who falls in love with a guy whom she trusts.
I remember they met when she was a pre-teen or maybe even younger in a park. She always used to meet him in a park to start with. I think she grew up to do something in Arts or Marketing.