Can An Old Mech Love? (Transformers Fanfic)

What is there weren't only three kids that discovered the Autobots? What if there was a fourth?

Autumn is Raf's older sister by three years. Raf had been running off somewhere, and Autumn was starting to get conceded for her brother. One day, Autumn sees him getting into a mysterious black and yellow muscle car and instantly she reacts. She had demanded that she come with him, and once she realized there was no driver, she was freaked out. Soon Raf and this.. car.. take her to the Autobot base where she discovers her brother is being protected by alien robots. It takes her a while to adjust, but once she has an assigned Gaurdian by the name of Ratchet, how would she react? She had been keeping her eye on the medic, slowly starting to realized she liked him. But the question is, Can An Old Mech Love..? And the even bigger question is, will he love a HUMAN?