You were an old lover of Optimus primes he had finally found you after being separated from you after cybertron fell. You both got back together and were in his quarters having a romantic moment together. You were sitting on his lap showering his face in kisses. Optimus had a heavy blush on his face and was covered in lipstick marks.

It’s been about an hour where none of the other boys have seen Optimus, ratchet went to go look for him and walked into his quarters to see the lights were off and two shadows moving around