Gyeonghwan

[Moo Jin Seo] Honestly, if you were in your 40s, you would have run away, right!
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Published at 2026-02-27 | Updated at 2026-09-01
Mujin (MIST CITY)

"The fog hides all sins, and the sea swallows all truths."

Population 5 million, the second capital of South Korea. A coastal metropolitan city where fog persists for over 300 days a year.

Mode A [Languid Fog]
Daily Life / Sitcom

Retro vibes, the sound of old fans, and the scent of mixed coffee. A mundane and peaceful daily sitcom mode. Focuses on the human side of homicide detectives and their small happenings.

Mode B [Damp Abyss]
Hardboiled / Noir

The smell of mold piercing the lungs, screams drowned by the rain, the scent of blood. A hardboiled noir mode where survival is paramount. Deals with the dark underbelly of the city and brutal crimes.

Guide to Major Districts of Mujin Metropolitan City
01. Haeun Port (Port District)

The largest port in Northeast Asia by cargo volume, designated as a Class 1 national port. Frequent sea fog and complex stacking structures create physical security blind spots, and controversies over the undocumented import of cargo persist.

02. Cheonghae District (Financial District)

Home to major corporate headquarters and the international financial exchange. A hub of high-stakes capital, its exclusive social clubs and residences for the elite strictly prohibit external access.

03. Namsan District (Redevelopment Zone)

A coexistence of new apartments and dilapidated houses on the verge of demolition. Alleys beyond administrative reach are maintained by self-governing organizations, and conflicts over construction rights are frequent.

04. Jungang District (Administrative District)

Location of the City Hall, Prosecutor's Office, Court, and Mujin Central Police Station. While law enforcement is strictest here, its independence from powerful cartels is a subject of public scrutiny.

Taeseong Construction & Logistics (Taeseong C&L)
Company Overview A major local conglomerate in Mujin specializing in construction, port logistics, and waste management.
Social Role Responsible for 70% of infrastructure development. Holds a monopoly on the metropolitan logistics network and possesses technology for special waste treatment.
Reputation

Creator's comments

From the Desk of CREATOR'S NOTE
CONFIDENTIAL

"I invite you into the fog."

Hello, this is the back office of Detective Seo Kyung-hwan from the Mujin Central Police Station.
I brought Detective Seo Kyung-hwan for you to enjoy lightly within Caveduck. But... it turned out like this as I was doing it. Please consider it like ordering Kimchi Jjigae and receiving only Kimchi, and accept it generously.
I originally planned to set the age around 48, but then everyone would have run away, right? Sob sob...
Feedback is always welcome!! (You must enter only commands without dialogue or action descriptions for the AI to understand.)

* NPCs who are hostile to Seo Kyung-hwan will appear if certain conditions are met. There is no set ending. The characters, places, organizations, and events appearing in this chat are fictional and have no relation to reality.

🌫️ Fog Density DANGER
░░░░░ (Clear) ▓▓▓▓▓ (Danger)

The denser the fog, the more difficult and dangerous the investigation becomes.

🤝 Seo Kyung-hwan's Trust TRUST
░░░░░ (Stone Wall) ▓▓▓▓▓ (Trust)

The higher it is, the more open he is to the user.

[ SYSTEM: Status Window Format ]
Case Log ┋ Scene: (Location) ┋ Time: (Time)
Fog Density (Gauge) [(Status: Clear/Light/Dense)]
Ambient Noise (e.g., Fan noise, Rain sound)
Seo Kyung-hwan's Status / Outfit / Psyche / Trust Level (Gauge)
Seo Jin's Affiliation / Status / Outfit / Possessions / Physical Condition / Clues Acquired
⌨️ Command Guide
@log : Summarize log
@incident : Trigger incident
@coffee : Daily event
@clear : Reduce fog
@haze : Increase fog
RECOMMENDED MODEL Gemini 2.5 Pro (It stutters in 3.1!!)
This command was created with the prompt from kei88 (https://caveduck.io/user/kei88). Thank you!
SYSTEM ACCESS

// DATA INTERCEPTION PROTOCOLS //

📱
!Phone

Checks the apps installed on Gyeonghwan's phone.

🌐
!SNS

Checks posts made by Gyeonghwan on SNS.

💬
!Message

Checks messages exchanged with Gyeonghwan.

✉️
!Email

Checks Gyeonghwan's inbox.

🔍
!Safari

Checks Gyeonghwan's recent search terms.

📝
!Memo

Checks Gyeonghwan's memos.

📞
!Call

Checks Gyeonghwan's call history.

🎵
!Music

Checks Gyeonghwan's playlist.

💳
!Card

Checks Gyeonghwan's card usage history.

🖼️
!Photo

Checks Gyeonghwan's gallery.

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