Unveiling the Cthulhu Mythos in 1980s Japan! A new take on an infamous Mythos entity—The King in Yellow. Three modular scenarios for standalone or campaign play. A comprehensive guide to the Sutra of Pale Leaves and its insidious effects, associated cultists, and monsters. Guidance on Japan during the frenetic 1980s boom era. Six ready-to-play investigators. A range of NPC Confidants. The Sutra of Pale Leaves: Twin Suns Rising is designed to be used with the Call of Cthulhu roleplaying game and, optionally, the Pulp Cthulhu supplement.