Inari’s stone foxes hold a jewel in their mouths. Korean folklore gives the fox a bead that can be passed through a kiss and swallowed. Chinese lore has foxes refining an elixir inside themselves under the moon. And Japan’s most famous fox, Tamamo-no-Mae, has a jewel in her very name. This episode opens an evidence locker for each tradition and asks what the fox is carrying, who holds the power when she does, and what modern dramas change about the bead. Episode 18 of an animated series exploring East Asian fox legends, with the sources checked.