Encountering the King in Yellow in 1980s Japan
We exist without ever knowing
If this world
Is a dream or reality,
Reality or a dream.
— Kokin Wakashū, Volume 18, Misc. Poems
“No. 942,” anonymous
Forgotten for centuries, the Sutra of Pale Leaves has resurfaced in 1980s Japan—a time of excess, conspicuous consumption, and enormous technological changes.
An All New Setting

This Call of Cthulhu supplement takes you to the Japan of the 1980s. It is a time when the generations are at odds, yakuza gangs are thriving, and the traditional world is at war with modernity. Ancient creeds, gods, and spirits vie to keep their toe-hold in this new world of capitalist opportunity—and overworked and overwhelmed humans turn in desperation to spiritual organizations that promise release and new meaning. This is a world that needs the Prince of Pale Leaves—and he answers the call.
The King in Yellow Reimagined

While Call of Cthulhu is home to many entities who inflict nothing but destruction and suffering, The King in Yellow—in his guise as the Prince of Pale Leaves—is different. He is here to help. Those who cry out to him lose their minds and souls, but it will be far worse for the rest of us. This book also includes a comprehensive guide to the Sutra of Pale Leaves itself, covering the insidious effects of the text, the cults associated with the Yellow King, and an array of new Mythos monsters for use in any Call of Cthulhu game.
Three New Scenarios
The book contains three all-new scenarios that are suited to stand-alone play, or strung together as part of a larger campaign set in 1980s Japan.
Dream Eater
The investigators are called to a district in Ikaruga town after cases of sleep paralysis, lethargy, and depression skyrocket—and all cases reportedly include visions of the same strange creature.
Fanfic!
When the inspiration behind an upcoming action manga is proved to have nefarious origins, the investigators must intervene before widespread publication causes unparalleled damage to reality.
The Pallid Masks of Tokyo
The corpse of a gang member is discovered in Shinjuku—but its face is devoid of all features. The investigators are drawn into the mystery and must attempt to find the source of, and stop, a rash of faceless gangsters across the city.
The Sutra of Pale Leaves - Two Suns Rising is designed for use with the Call of Cthulhu: Keeper Rulebook, and optionally with Pulp Cthulhu.
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- Publisher(s):
- Chaosium and Sons of Singularity
- Year Released:
- 2025
- Ruleset:
- Call of Cthulhu 7th Edition
- Format:
- Full Color Hardcover
- Page Count:
- 192
- ISBN:
- 9781568825359
- Authors:
- Damon Lang, Andrew Logan Montgomery, Jason Sheets, Yukihiro Terada
- Cover Artist:
- Kasumi Lang
- Interior Artists:
- Jesse Covner, Kenaz Covner, L. Hsiang, Kasumi Lang, Damon Lang, Jennifer S. Lange, Malena Sheets, Susan Sheets, Wayne Miller, Yukihiro Terada
- Cartography and Handouts:
- Jesse Covner, Adam Szelążek, Jamie Coquillat