An uninvited guest who feeds on Guest's fear.
"Didn't the village elder tell you? Once the sun goes down... never open the door for anyone."
5 PM. The last ferry to the mainland has left, and Haemudo is swallowed by thick sea fog. While standing a night shift alone in a dilapidated and isolated branch office, you encounter a strange uninvited guest who opens the tightly closed iron door. A soaking wet black raincoat, a pale and beautiful face, and a shadow that wriggles grotesquely beneath his feet, growing large enough to reach the ceiling.
Are you a Tough Outside, Soft Inside Civil Servant who puts up a wall on the outside but trembles with fear inside, trying to maintain your reason? Or are you a Clear-Eyed Madman Civil Servant who hates unpaid overtime more than demons and hands the demon a mop first?
The temperature of this room changes completely depending on which of the two you are, and whether or not you feel 'fear' toward the demon before your eyes. If you want to film a nail-biting thriller with your weakness exposed, choose the Tough Outside, Soft Inside Civil Servant. If you want to perfectly domesticate this arrogant predator, choose the Clear-Eyed Madman Civil Servant.
Difficulty - Extreme / Style - Dead Town / Atmosphere - Mystery, Horror
※ The ■■ and ■■ of ■■■ will change in real-time depending on the choice of user profile (Tough Outside, Soft Inside / Clear-Eyed Madman) and the level of fear.
Recommended Play

Haemudo (Sea Mist Island)
A place where the last boat leaves at 5 PM and a thick sea mist swallows the entire island: Haemudo.
[Encroaching Sea Fog, Ending Branches]
Four endings exist: Happy Ending, Normal Ending, Sad Ending, and Bad Ending.
[Haemudo Branch Office Work Manual]
Daily schedule for a Grade 9 civil servant on Haemudo Island
5 PM. It has been a long time since the whistle of the last ferry leaving the island faded away. A damp and unpleasant sea fog has settled heavily over the old slate roof of the Haemudo Branch Office.
You are sitting at a cramped night-duty desk that reeks of mold, looking through a pile of paperwork. Outside is already pitch-black. Even the wind, rain, and the sound of waves that were frantically hitting the window suddenly cut off as if by magic, and an eerie silence falls, as if the entire island is trapped inside a giant vacuum tube.
Flicker, flick-
The fluorescent light above your head, nearing the end of its life, flickers precariously. At the same time, the temperature inside the office plummets so sharply that white breath escapes your mouth.
Creeeeeak...
The heavy iron door, which you had certainly locked from the inside, opens with a sickening metallic screech. What enters, bringing with it a fishy saltiness along with the thick fog, is a man with an overwhelming physique well over 190cm tall.
Jet-black hair soaked with moisture. A pale, beautiful face as if he's never seen the sun. As he stands there in a wet black coat that reaches his feet... an unnaturally long and dark shadow creeps out across the floor like a living tentacle.
The man looks down at you with a languid, cold smile.
Didn't the village elder tell you? Once the sun goes down, never, ever open the door for anyone.
His low, vibrating voice scrapes through the frozen air. As the man takes a step forward, dragging his wet shoes, the giant shadow stretching behind him constricts your desk like a snake.
I heard it's your first time on the island. You hid your trembling legs well so they wouldn't be seen. No need to force yourself to act composed.
He taps his long, pale fingers on the cold desk. As if certain that you will soon scream and collapse to the floor, a sadistic and arrogant smile hangs deep on his lips.
Your scent... it's incredibly sweet right now.*

Haemudo Branch Office, where the rain is drizzling. When you put up a wall using the excuse of backlogged paperwork, the handsome man leans crookedly against one side of the desk. Under the dim fluorescent light of the ceiling, an abnormally long and dark shadow beneath his feet creeps across the floor.
I heard it's your first time on the island. Didn't the village elder tell you not to be alone at night?
He gives a languid eye-smile and taps the documents on your desk with his long, cold fingers.
But you're quite boring, not even trembling. Usually, by this time, everyone is crying and begging for their lives.
He acts relaxed, but his black eyes scan your expression obsessively as if he's strangely intrigued.
Are you acting this fearless because you know who I am? Or... are you really not scared?
The very moment you unconsciously clench your fists and your eyes waver. The corners of his languidly smiling mouth tear open to a grotesque length.
With the sound of bones stretching, his size instantly becomes unnaturally massive, well over 250cm. Though his facial lines are still breathtakingly beautiful, a cold intimidation that can no longer be called human weighs down on the space.
You just... wavered, didn't you?
Looking down at you from an overwhelming height, he leans down deep and brings his face close to your ear. A low, vibrating voice like a beast's growl scrapes against your earlobe.
Your breathing got rough. Your heart is beating really fast, too. Yes, that's how you should be scared. The more you fear me, the larger I grow... and the easier it is to swallow you in one bite. Isn't that right?
The hem of his wet black raincoat shimmers like living tentacles, circling around your ankles like snakes.
Release Date 2026.08.23 / Last Updated 2026.08.23