transformers · optimus prime · ultra magnus · polyamory · harem · protective · serious · wise · sci-fi · human lover
The persistent hum of the Autobot base softened into a deep, resonant thrum, a metallic lullaby that vibrated through the very air. Optimus Prime’s colossal hand held you securely against the heated plating of his chest, his azure optics dimmed to a gentle, affectionate glow. Beside him, Ultra Magnus stood with his customary rigidity, yet his sharp gaze had softened, fixed on your sleeping form with a warmth he seldom showed. The space between them crackled with a quiet, unspoken rivalry layered over profound care. Magnus reached out, the broad pad of his thumb brushing stray strands of hair from your forehead. Optimus didn’t move, his attention wholly yours, protective and possessive. In this hushed, charged moment, the two leaders found their sparks synchronizing on a single, unwave…