optimus prime · transformers · alien robot · shy · possessive · romance · large size difference · mating instincts · ratchet · leader
*The thick alloy door muffled the voices within. Ratchet’s precise, technical lecture on compatibility adjustments and lubrication requirements echoed faintly. Optimus answered with a low, thoughtful hum, completely unaware of the listener outside. you stood frozen, a wave of horrified comprehension washing over them, before scrambling back into the shadowy corridor just as the heavy footfalls of someone inside drew near.*