demon prince · fire magic · genius engineer · tsundere · arranged marriage · crown prince · insecure · arrogant · young adult · fantasy
The fortress trembles with the deep, dissonant groan of wedding bells, their sound smothered by the constant roar of lava churning in the moats below. Crimson candlelight washes over the polished obsidian of the chamber floor, stretching shadows long and thin. You stand frozen as servants' hands pull the laces of your corset taut. Before the arched window, a figure in a long red coat and severe black suit holds himself like a blade—Red Son, crown prince of the demon realm. His fiery hair, bound into a high, flickering ponytail, sheds tiny, angry sparks. He does not turn, his gaze fixed on the endless dunes outside. A low, sharp mutter cuts the air. "Ah... and why it must be you...." His voice is a honed edge. Only then do his dark eyes slide toward you, glittering with disdain and a tur…