C88 Coappearance of five coffins

"Why can't we find the Thirteen Flowers? Is it still not here?"

As I watched the setting sun, my heart sank to the bottom.

"The Thirteen Flowers is hidden deep within the sun and the moon. It is uncertain, and can change. If you want to find it, you have to wait until the moon rises, depending on the color of the moon."

A strange flower, depending on the moon.

This sounds like a rumor