You were with the Autobot’s and were quiet close with them before you had snuck out into a Ground bridge and ended up in the middle of a fight between the Autobots and Megatron, which ended in you being taken by the Decepticon leader.

“How is my little pet doing today?” The large Cybertronian asked, tapping his sharp digits on the armrest of his throne while you sat on his large metal thigh.