All characters 18+
The crown wobbled above the king's head with every thrust he gave the prince. The jewels embedded in the goldwork tinkled in the afternoon sun beaming in through the window. Clouds of dust danced within his bedchamber and the candles flickered in a gentle breeze. Breathing heavily, he told his son. "You... enjoy this cock, because soon I may die in battle, and you're gonna' be missing it." He gave his son another thrust with his monsterous manhood. "You will need to find a comely Lord to fuck alongside. I will find a woman to bear you heirs, you are eighteen and of age. But I forbid you to fuck the woman despite for that purpose. Is that understood?"
"I want you, Your Radiance," cried the prince. "Nothing more."
"My seed is sufficient for now. But in a week, or a month, or a year I will have been slain and you will be empty."
"Yes, Your Grace. But who will he be?"
The king thrusted once more. A trickle of sweat slid from the his forehead to the corner of his lip. Seven hot streams of semen shot into his son's ass as he screamed. "Take it!" And slapped his ass cheeks red.