[Regent] was a special provision invoked only when the king could not handle affairs of state and someone had to govern the country in their stead.
Usually, a female king's husband would temporarily assume the role.
When a male king became unable to govern, he generally placed greater trust in the [Three Ministers], the true confidants he had personally elevated.
The distinction was that [Regent] was a first-rank noble title equal to [King], while [Three Ministers] was a first-rank official position above [Chancellor].
Once the king regained the ability to govern, the [Regent] would voluntarily relinquish his rank and become a [Duke Regent].
Since King Gatsrining abdicated seventy years ago, no female king had taken the throne, and the position of Regent had become a thing of the past-
Caesar raised his head, gazing pensively at the airship in the sky.
In the distance, the orange-yellow sunset piled in layers along the gradually darkening horizon. Kakin's peculiar buildings towered into the clouds, as though they would pierce them.
He recalled the words he had been unable to hold back a few minutes earlier, just before Dio boarded the airship. "Consider it my investment. If you need anything from me, call me."
"-Why?"
Dio had been puzzled.
But Caesar had not told him why, because once this matter came to light, there would be nowhere in all of Kakin for him.
"Next time. Come to Kakin again, and I'll tell you. Until then, just think of it as me having nothing better to do."
Caesar's tone had been as calm as ever.
Looking at this man who seemed forever as still as water, Dio felt as though a terrifying obsession, beyond an ordinary person's understanding, lay beneath that inscrutable exterior.
He said nothing more, taking it as repayment for the trust