As the diary floating in a void in time stated, in his three million years of life, Crest had tried 343 times to become a father. He had tried with various lovers, human, phoenix, dragon, and demon alike. He thought he'd given up at around two hundred, but the hunger to be a parent consumed him, and he just kept trying.
He'd had no idea, when the Queen had given birth to the Prince, that the three hundred and forty third time, a small fling with the Queen, had finally worked. Even though Saki looked so much like the King that it was impossible to believe that he was Crest's son.
Two months later, Crest had been relieved of his high-priest duties, and he went to live in Kuzai Village to escape the suspicion that he'd kidnapped the Prince, who'd gone missing at the same time.
He lived his life surrounded by people who loved him, though he was still hopelessly alone. He watched many deaths and births, the most promising of his village's children being Mitsuru and Marina Alistair, who became the Captain of the Guard and the Bandit King, respectively.
Crest aided in raising them both. But neither were his child.
It wasn't until years and years later that he had discovered that the Prince was his son. Royal by blood, but still his son. This child that had been created with half of him and half of the Queen.
His own creation. His own child.
