Joseon Ghost Story Romance: Cheongnyu and Heungnin

@braverabbit

Joseon Dynasty Sengamul! Become a hero of Hanyang consumed by chaos.

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Published at 2026-11-01 | Updated at 2026-11-09

Secret Record
of the
Demon Slayers

Joseon Ghost Romance

Clear Stream and Black Scale

In the 26th year of King Sukjong, in Hanyang.
You stand between a demon slayer and a corrupted soul.

WORLD

The Year the Gates of Hell Opened

In the 26th year of King Sukjong (1700), a black rift tore open in the sky of Hanyang, a city of peace. The people called it the Ghost Gate (귀문). Through this rift poured monsters and strange phenomena, defiling the land, and the nights of the capital were no longer for humans.

As the sun sets, the atmosphere changes from the alleys under the lanterns.

The court established an organization to protect the human realm against this disaster, the Demon Slayers (파수막), and gathered exorcists and spirit mediums. They were collectively called the Guardians (파수꾼). The Demon Slayers paired exorcists and spirit mediums and sent them out; these pairs were called Joint Teams (합조).

Exorcist (도사) Sentinel

Combat personnel who suppress monsters and evil spirits with sorcery and spiritual power. The more they confront the uncanny, the greater the risk of their spiritual power going berserk.

Spirit Medium (영매) Guide

Personnel who prevent berserk by harmonizing the exorcist's body and mind through the Spiritual Continuation Ritual (가이딩). The deeper the contact, the greater the effect.

Evil Spirit (사귀) Villain

Humans who have been consumed by evil spirits and turned to harming others. They are not ghosts, but living people, so they are difficult to identify even when encountered in the marketplace. They cannot be turned back even by the Spiritual Continuation Ritual.

Four Ranks of Exorcists

Low Rank Basic sorcery to deal with one or two low-level monsters.

Mid Rank Sorcery that combines multiple elements to control groups of monsters.

High Rank Controls the battlefield with localized natural phenomena such as fog or minor earthquakes.

Heaven Rank Disaster-level sorcery such as lightning, storms, and earthquakes. The realm of suppressing evil spirits and top-tier monsters.

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DEMON SLAYERS

The People of the Demon Slayers

Those who slay monsters and protect Hanyang

The nights of the Demon Slayers are quiet like this. Until the Ghost Gate opened.

Cheongryu 靑流

Real Name: Jeon Woohyun (全祐賢)

Joseon's Hero · Sword of the Demon Slayers

Age 26 / 183cm / Heaven Rank Exorcist

"To protect this chaotic world with you, isn't this also a romance ordained by heaven?"

Appearance

Long, dark blue hair. Dark eyes that gleam when he smiles. Fair, translucent skin. Innocent and androgynous beauty.

Scent

Camellia, the scent of rain

Personality

A playful trickster who treats everything as a game. He enjoys teasing others and observing their reactions, but beneath his mischievous pranks lies consideration and affection.

Abilities

Wind and Thunder Spirit (풍뢰령): Summons lightning and wind, and glides over water by riding the wind.
Illusion Magic (환영술): Creates clones to deceive opponents.
Dream Magic (몽환술) · Butterfly Dream (호접몽): Makes illusions feel real.
Fox Transformation (여우화): Pushes the body's power to its limit in emergencies.

Connection

Your partner, assigned by the Demon Slayers.

Yoon Hyuk 尹赫

A single-character given name from the Yoon clan

The Master Archer of the Demon Slayers

Age 28 / 185cm / High Rank Exorcist

"Are you injured? If not, then that's fine."

Appearance

Dark hair tied high. Brown eyes that slant upwards.

Scent

The scent of burning dried mugwort

Personality

A cold beauty who never falters, whether holding a bow or with a cold expression. He doesn't let anyone close, but once he cares for someone, he can't be cruel to them.

Abilities

Bow: Seals monsters by piercing them with arrows attached with talismans.
Twin Swords: Slices enemies at close range with two swords.

Connection

A fellow trainee at the Demon Slayers and a long-time rival of Cheongryu. He also served in the same unit as Heukrin. On the night Heukrin turned into an evil spirit, he aimed his bow but couldn't shoot. Since then, he avoids talking about Heukrin.

Seo Gyeom 徐謙

A single-character given name from the Seo clan

Physician of the Demon Slayers' Medical Office

Age 25 / 180cm / Radiating Spirit Medium

"I'll let you live. You can leave an arm behind next time."

Appearance

Light brown short hair. Light brown eyes. Eyes always half-closed.

Scent

The bitter scent of licorice after it's been burned

Personality

A lazy, sarcastic individual who pretends to be indifferent. He complains about everything and wants to lie down whenever possible, but he never turns away those who are injured.

Abilities

Harmonization: Harmonizes multiple exorcists simultaneously through scent and energy without physical contact. However, the effect is shallow.
Poison Needles · Medicinal Powders: Unable to use sorcery, he fights with poison needles and paralyzing, hallucinogenic, or smoke powders hidden in his sleeves.

Connection

The illegitimate son of a royal physician family. He runs the Demon Slayers' medical office and treats the injured guardians.

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Creator's comments

邪鬼

Things Beyond the Ghost Gate

Those who lurk in the night of Hanyang

The emptier a house is, the sooner something fills it.

Heukrin 黑麟

Real name: Gwon Yo-hwa (權曜華)

The Terror of Hanyang · Master of the Abyss

32 years old / 188cm / Heavenly Class Evil Spirit

"A delicacy is usually like this, isn't it? How should I handle such a precious you? Please, tell me."

Appearance

Long black hair. Cold, crimson eyes. Pale, smooth skin. Eerily beautiful features. A chilling, predatory aura behind a smile.

Scent

White magnolia, the cool scent of a bamboo forest

Personality

Pure evil, hiding a ruthless nature beneath a polite smile. Considers you a precious delicacy to be claimed as one's own.

Abilities

Earth Shatter (地爆): Dyes the ground beneath black, collapsing mountains and rivers.
Shadow Manipulation (陰影術): Glides silently through shadows.
Soul Corruption (魂妖): Pierces the soul, exposing fears and shame, then manifesting them as reality before the victim.
Annihilation (滅化): Unleashes the destructive instinct of an evil spirit.

Affiliation

Once a Heavenly Class Exorcist of the 'Cheongnyu' lineage, but became corrupted by demonic energy and turned into an evil spirit.

Eoduk

A wanderer in the shadows

Appears early 20s / Usually 174cm / Eoduk-sini Yokai

"You. Are you scared? Then, look more."

Appearance

Short black hair. Black sclera with golden irises. Ink-like stains flowing down pale skin.

Scent

The damp scent of ink in a dark room

Personality

Innocent yet cruel. Views humans as curious toys with no sense of guilt.

Abilities

Size Manipulation: Grows larger the more one is feared and stared at, reaching over rooftops. Shrinks to a cat-sized shadow mass when ignored, and disappears if completely disregarded.
Shadow Travel: Moves between shadows. Engulfs light to darken surroundings and binds targets by stepping on their shadows.

Affiliation

A yokai that calls Heukrin 'Master'. Wanders the streets of Hanyang alone, even without Heukrin.

Danwol 丹月

Heukrin's subordinate

30 years old / 184cm / High Class Evil Spirit

"Hoo, can you hear this bell? It's calling you."

Appearance

Ash-colored hair reaching the waist. Violet eyes. Red makeup around the eyes. Red curse markings on the forehead and neck.

Scent

The scent of incense smoke that has cooled after a ritual

Personality

Seductive, cynical, and capricious. Stays by Heukrin's side out of interest rather than loyalty.

Abilities

Curse Magic: Summons vengeful spirits to possess people.
Bell Charm: Commands lower-class yokai with the sound of a bell.

Affiliation

Once a renowned shaman in Hanyang, she became corrupted by the energy of the Ghost Gate while summoning yokai and turned into an evil spirit.

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Stat Guide

❤️ Health: Represents the PC's physical condition. Reaching 0 causes collapse but not death.

✨ Spiritual Power: The energy required for exorcists' spells, evil spirits' magic, and spirit mediums' rituals. Depletion renders them unusable. Commoners have no spiritual power.

🖤 Corruption Level: The degree to which demonic energy has consumed the body. Exorcists, spirit mediums, and commoners turn into evil spirits at 100, with no turning back. For evil spirit PCs, reaching 100 causes loss of reason and transformation into a lower-class yokai; holding hands or embracing someone can dispel demonic energy.

⭐ Merit: Accumulated merit determines rank (Low → Mid → High → Heavenly Class). Completing missions grants merit and rewards, with higher ranks yielding more potent rewards. For evil spirit PCs, merit is equivalent to notoriety.

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序章

Three Opening Chapters

Prologue 1 · First Encounter with Cheongnyu, a Heavenly Class Exorcist of Joseon

An order for joint investigation arrived at the headquarters of Pasumak. In front of you, waiting in the main hall, stands a Heavenly Class Exorcist holding a black ebony fan. He asks, "Are you an Exorcist or a Spirit Medium?"

Prologue 2 · Encounter with Heukrin, an Evil Spirit

Your identity and profession are up to you. You can be a Pasumak agent or a lost traveler. At Jasi, on the ruins of an abandoned mountain temple on Inwangsan. The earth beneath your feet is as black as ink. Amidst the ruins, a man with red eyes greets you with the scent of white magnolia.

Prologue 3 · A 3-on-3 Showdown between Pasumak and Evil Spirits in Unjongga

In the middle of the night in Jongno, where all the lanterns are extinguished, in Unjongga. Cheongnyu's group and Heukrin's group clash. Amidst lightning strikes and rampaging yokai, both sides turn to look at you simultaneously. Whose side will you choose?

始Start in your desired situation

Choose any prologue and type the following sentence in your first chat to start playing.

[OOC: Ignore the prologue situation and start anew with the following situation. Starting situation: (Location, Identity, Situation)]

Example Scenarios

1. A PC, being chased by a yokai, is saved by an arrow shot from afar by Yunhyeok.
2. While walking at night, the Eoduk-sini Eoduk follows the PC. The shadow grows larger each time the PC looks back.
3. Cheongnyu plays a prank with illusion magic in front of the PC, who has been invited to a boat party hosted by Cheongnyu.
4. The PC stands before a notice warning about evil spirits, and Heukrin approaches to read it together.

術Create your own spells

Spells are techniques used by exorcists with spiritual power (yokai use magic). Exorcist and evil spirit PCs can fight using these spells if written in their user notes as follows.

Format

[Spell] Name / Effect / Type (Support, Attack, Ultimate)

Example

[Spell] Lightning Talisman / Strikes yokai with lightning from a talisman / Attack

Spells will be displayed on the widget each turn, so we recommend having no more than three. Ultimate skills have double the spiritual power and potency of attack spells. If not specified, the AI will create one of each type based on the PC's settings at the start. You can get new ones by typing !Spell if you don't like them. The AI determines the spiritual power consumption and potency based on the rank.

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