The beginning and the ending were missing. The story starts with them already well into their situationship, as the heroine said. I thought that maybe we'd get their backstory in flashbacks or something, but no. There was only one sentence saying how her friend saw the hero in the coffee shop and she asked the barista about him and that was that. How did they actually meet? How did they get together? Why did they get together? How did they decide to only have friends with benefits situation? Nothing. But there were so many stupid details and too many scenes completely irrelevant to the romance. Very few scenes were actually them together. I didn't understand why they wanted each other, let alone why he wanted something more with her. Also, this wasn't grumpy/sunshine. She was an average woman who put up boundaries and wasn't overly cheery, which doesn't make her grumpy. And the hero was on the verge on being an asshole.
Sometimes, I'd read acknowledgments and it makes me wonder who these people are. Because, they supposedly read the book, and no one said anything. How did no one notice that this was an incomplete book, that it missed the beginning and the ending? I really don't understand.