The Long-Flowing Green Mountain: Heart of Hearts

Synopsis: The World Tree that protected the world has been destroyed, and the world is on the brink of ruin. At this crucial moment, everyone discovers that a sapling of the World Tree still remains. But to return from the mortal realm to the land of pure spiritual energy in the heavenly realm, the sapling needs the help of the purest spirit heart.

A human girl accidentally makes a contract with the World Tree sapling. To save the world, she sets out on a journey with everyone else...

Theme: Don’t be afraid of difficulties