Seven Wonders|Transformers.

Strange things happen constantly to Clara Grey, first things first when she's twenty she meets an alien, Mirage, who was sent to Earth to follow a strange ancient signal and find whatever it was. After that, she touched a strange artifact, nothing wrong could happen with that, right? Wrong, things go completely down the drain six years later. It takes a familiar Camaro and the shockingly disturbing side effects of that artifact for things to go to shit. This all leads to Clara getting wrapped up in saving the world multiple times and learning more about what that strange artifact did to her. It also leads her to bonding with someone, someone she didn't expect to know or even like. [Book One of the Parallel Duology] [Optimus/OC] [Bayverse: Transformers - Transformers: The Last Knight].