This was book one for the arc I just read and I'm glad I went back to read it! I was right about which side character from book two was the MMC in this one, and met his FMC, who was mentioned. The events of this one also somewhat informed the second one even though it wasn't necessary to read it first. In this one, firefighter Sean meets Eva on a call when his team finds her threatening to use a makeshift flamethrower to blast a piano. A piano in the middle of the quad at the university she teaches at, being played by her cheating, manipulative ex boyfriend who isn't taking no for an answer and is trying to guilt her publicly by "being romantic". Sean offers to fake date her to help discourage the jerk, and of course it quickly becomes real for both of them. Their flirtiness was cute, I liked that she was six years older than him and in her forties, and that that did become an important part of the story. Glad I read it and now that I know the author signed a 3 book deal, I'll be watching for book 3 whenever it comes out. As expected, the ex causes more problems so if that type of narcissistic, abusive behavior is triggering, maybe skip this one.