Nanana's Buried Treasure - Episode 2

Now that he has some knowledge of Nanana's history and the sphere of her influence, it's not all that surprising that Juugo has found himself picking up a particularly interesting trinket to bring back to show his ethereal flatmate.

As it happens, this strange jewel is in fact part of the Nanana Collection, and what's more he's actually snatched it from under the noses of those who were