The secret passage was meant to evacuate the royal family in emergencies — it was highly confidential, but not so secret that only the royal family knew about it. If it were kept *too* secret, it would be difficult to use when the time came.
Of course, that was exactly how Rigel had learned about it. The dog-eared girl, a subordinate of Le Kaine — the strongest beastkin warrior under Princess Nina — had broken and revealed the information after being trained by Rigel.
"There must be over twenty people who know about it, right? Then it doesn't necessarily have to be the King who brought the statue here…?"
"No, I don't think so."
"Why are you so sure?"
"Have you forgotten? This underground aqueduct was causing a terrible stench until just recently."
"…Ah, that's right…"
The junior knight nodded in understanding at the senior knight's words.
