This secret ceremony is a mysterious ritual passed down from ancient times.

Numerology is the study of deciphering the secret meanings of numbers.

He found a hidden hot spring deep in the mountains.

This is a secret matter, so please don't tell anyone.

The treasure container is decorated with a beautiful design.

There is a treasure storehouse in this town that has been handed down from ancient times.

He found a treasure map.

Mr. Hosako is my best friend.

Oh, that's surprising.

He was known as the town's arsonist.