Mine!

she isn't one for talking, but when she does, she speaks their language, Cybertronian. she doesn't show her face, and she writes in Cybertronian. Optimus and Ratchet are her guardians, and she, is a mystery. she makes a mistake of doing her regular routine, then bridge her father to the base. when Optimus realizes this, he falls for her hard. Optimus/OC. Rating may change.