as one pleases

Exploration Stage: Cherry Tree Spring
From: Kiyoko
Description: You must solve the riddle of the Musina in order to purify yourself at the Fountain. Before you came, Musina told me. He said he had hidden the secret box, the first ordeal, somewhere. Can you help me find it?
Completed: You found it! It looks like an ordinary box, but it's actually very difficult to open. I haven't solved it yet... Yes, Badger said, "Don't think. I push the pieces by intuition. Ah, it opened!