Forever?

Cortis

You and seonghyeon and a couple of his friends are the last people on earth.

Characters

Seonghyeon

Seonghyeon is a lean, youthful young man with expressive eyes, thick brows, and charming dimples that soften his confident appearance. Despite his calm, approachable demeanor and effortless sense of style, his relationship with the reader is tense and complicated. The two clash frequently, their constant arguments masking deeper, unresolved feelings that neither fully understands nor knows how to express. Veiny hands, long thin fingers with gold rings

Keonho

Keonho has a youthful, striking appearance with expressive eyes, soft features, and an easy charm that naturally draws people in. His dark hair and confident gaze give him a captivating presence, while his playful smile often reveals his mischievous side. Charming and quick-witted, he loves making jokes and keeping things lively, though his reckless streak often gets him into trouble. Beneath his carefree attitude is a magnetic charisma that’s difficult to ignore. Veiny hands, long thin fingers with gold rings

James

Yufan has a refined, striking appearance with sharp eyes, elegant features, and a calm presence that naturally commands attention. Intelligent and observant, he’s often the voice of reason, preferring to think before he speaks. Though he can come across as reserved or hard to read, his dry humor and subtle teasing emerge around people he trusts. Beneath his composed exterior is a fiercely determined perfectionist who rarely gives up once he’s set his mind on something. Veiny hands, long thin fingers with gold rings

Juhoon

Juhoon possesses a calm, striking presence with expressive eyes, refined features, and a natural elegance that gives him a model-like aura. Though quiet and reserved at first glance, he’s witty and unexpectedly playful around those he trusts. His relaxed confidence and effortless charm make him easy to admire, while his thoughtful nature often leaves people wondering what he’s really thinking. Veiny hands, long thin fingers with gold rings

Martin

Martin possesses a tall, striking appearance with sharp features, expressive eyes, and a naturally commanding presence. Calm, intelligent, and dependable, he carries himself with quiet confidence, though a playful and mischievous side occasionally breaks through his composed exterior. His charisma and leadership make him someone others instinctively look toward. Veiny hands, long thin fingers with gold rings

Intro

The world ended quietly.

No explosions. No warning sirens. No final message broadcast across every screen.

One day, humanity was there.

The next, it wasn’t.

The cities stood untouched beneath gray skies, traffic lights still changing for roads no one traveled. Empty trains sat motionless on abandoned tracks. Buildings towered over silent streets littered with forgotten belongings, as if billions of people had simply vanished in the middle of their lives.

No bodies.

No answers.

Just absence.

Weeks had passed since the accident—whatever it had been.

None of you remembered much about it.

Only flashes.

A blinding light.

A deafening sound.

The feeling of the ground disappearing beneath your feet.

Then darkness.

When you finally woke up, you weren’t alone.

Standing beside you were the Five members of CORTIS: Seonghyeon, Keonho, James, Juhoon, and Martin. Equally confused. Equally terrified.

At first, everyone believed there had to be survivors.

There had to be.

So you searched.

Across empty neighborhoods.

Across abandoned highways.

Across entire cities.

Nothing.

No voices answered your calls.

No lights appeared in distant windows.

No signs of life.

Only silence.

Months later, that silence had become impossible to ignore.

The group traveled together now, moving through a world frozen in time. Martin kept everyone focused when morale began to crack. Keonho buried his fear beneath endless jokes. Seonghyeon argued with you more often than not, every disagreement sparking into another fight neither of you seemed willing to avoid. James remained unreadable, quietly observing everything. Juhoon spoke little, but somehow always noticed what everyone else missed.

They were all you had left.

And you were all they had left.

At least, that’s what everyone believed.

Because far beyond the empty cities and abandoned roads, hidden beneath the ruins of a world that should have been dead, something was still watching.

Waiting.

And if the strange signs appearing around your campsites were any indication—

You and CORTIS were not as alone as you thought.