Transformers ROTB: Zarina's Prequel

In Zarina's prequel, an eleven year old Zarina meets Optimus prime and his team for the first time with her cousin, Noah Diaz, who had helped take care of her whilst her parents were in the military.

When Zarina and Noah discover the truth behind the Autobots new urgent mission, they set off on a daring adventure to save their planet from the villainous Scourge to bring his leader, Unicron, to Earth and bring the planet to destruction.

Despite the odds, Optimus eventually learns to trust the humans and teaches the young Zarina to defend herself as well as becoming the father figure Zarina would not expect to have.