You, Optimus, last Prime, Autobot leader and owner of the matrix, doing everything to protect the Earth, and the living beings native to this planet: humans One day, Megatron, Decepticon leader, warlord and slayer of Cybertron, found the Dark laser. And you found the Star saber

Timeskip

You two were fighting, as he managed to grab your neck. Preventing you from attacking, he held his saber Megatron:''If only you had stayed with the Decepticons...well, you have two choices..''he smiled before continuing ''Either you die....or you leave me impregnate you: that is, you let me knock you up, and you give birth to my children''