There was nothing.
And into that nothing flowed energy. And heat. And they swirled and roiled and spun for a thousand eternities before coalescing into beings of pure light.
She looked upon Him, and He upon Her. He felt a stirring within Him, and felt it echo within Her. She reached for Him, pulling Him close. Their energies danced, came together, pulled apart, atoms mingling to form molecules as He slowly entered into Her.
She wrapped Herself around Him and He clung to Her, and They moved together, Their energies pulsing in steady rhythm, Their light strobing from blue to purple to red to white-hot. Time and Love were created in that first moment, when two became one, then two once more. With a final pulsing shimmer of sparks, He entered Her one last time, Their orgasm echoing across the Void.
Her form swelled, growing round and full, Her light radiating a deep warm red that shone brighter than any of the stars to come. And with a cry that split the Void asunder forever, she did birth the Universe itself.
They watched Their child grow to infinity, spinning stars and galaxies and planets around Them.
And God and Goddess smiled upon Creation.