Hiding in the Shadows

Two students from Nankai University accidentally stumbled into a forbidden place in Kunlun, where they became entangled in all manner of strange events: Kunlun, the ancestor of all mountains, moves westward every year; a dragon's lair lies deep in the mountains; and humans live in the dark depths of the sea...

Monsters are kept in captivity in Changbai Mountain's Heavenly Lake. Beneath the Beimu Mountain archipelago, the souls of the dead wander endlessly. From the deepest reaches of the earth comes a pitiful weeping, and it all points to that single dark green pill.