"Hey—Nora! Keira!"
Ryen’s voice echoed through the cavern as he sprinted toward the familiar figures ahead. Relief washed over his face when the two girls turned at the sound.
They were safe.
Not just them.
Beyond them, the travel club seniors were huddled together, a bit scuffed but unhard. Behind them, a group of civilians trailed close, their eyes wide but alive. No one looked seriously hurt.
"Is everyone okay?" Ryen asked, scanning the group as he caught his breath.
A quick headcount confird it—no casualties. Even the professor and the academy inspector arrived monts later, double-checking each person with sharp, anxious eyes.
But the relief didn’t last.
"...Wait." Professor Lena’s voice cut through the low murmur of the crowd. Her gaze swept over the gathered faces again, slower this ti. "Where’s Rin?"
The question dropped like a stone in a still pond.
Inspector Rachel Evans—Rin’s older sister—went pale. "Rin isn’t here?" Her voice wavered, brittle with panic.
Everyone turned instinctively, as if he might suddenly appear from the shadows. But the only sound was the faint drip of water sowhere deep in the dungeon.
Ryen’s stomach tightened. He’d been so sure everyone had made it out.
Keira’s eyes widened in alarm. "But... we searched every passage on the way here."
Professor Lena tried to stay calm, but her trembling hands betrayed her. "Then... he’s still inside."
"So Rin is alone?" Leona’s voice ca out sharper than she intended.
Keira gasped, while Nora’s expression darkened into a worried frown.
"We have to find him. Now," Lena said firmly. "We all ca from different paths, but there’s only one direction left."
Ryen felt the weight of her words settle heavily on the group.
"The boss room."
The only unexplored route in the dungeon.
If Rin wasn’t with them...
Then that’s where he had gone.
Rachel’s eyes sharpened the mont the words boss room settled in the air. Her jaw tightened, and the flicker of panic in her gaze hardened into sothing else—resolve.
"I’m going after him," she said, already stepping forward.
"Wait—Inspector Evans!" Professor Lena reached out instinctively, catching Rachel’s arm. "That path is dangerous. If Rin went there, he must have had a reason. We can’t just—"
"There is no reason good enough," Rachel cut in, her voice cracking like a whip. "He’s my brother. I’m not standing here while he’s in there alone."
The group fell silent. Even the faint echoes of dripping water seed to fade beneath the weight of her words.
Leona clenched her fists, eyes darting toward the dark corridor that led deeper into the dungeon. "Then we should all go together. If Rin’s really heading toward the boss room, we can’t let Inspector Rachel charge in by herself."
Nora nodded, her expression grim. "Splitting up isn’t an option anymore."
The professor exhaled shakily, her calm facade slipping for a heartbeat before she forced it back into place. "...Fine. But we move carefully. If this is the boss chamber, it won’t be a normal fight."
Rachel pulled her arm free and took the lead, her steps brisk and unyielding.
Ryen followed close behind, heart hamring in his chest. The once-familiar dungeon walls felt heavier now, as though the stone itself sensed what lay ahead.
Sowhere beyond that corridor, Rin was waiting.
Or fighting.
Or—
Ryen shook the thought from his head. No. Rin was alive. He had to be.
The group tightened their formation and began their march toward the final path, their footsteps echoing in the tense silence.
The boss room lood ahead, unseen but unmistakable.
And with every step, the air seed to grow colder.
----
Professor Lena pressed a hand to her chest, trying to steady the frantic rhythm of her heart.
It felt as though it might burst free of her ribs at any mont.
Please... please be safe, Rin.
The silent prayer repeated in her mind with every step, a mantra she clung to like a lifeline.
The corridor stretched ahead in endless twists of damp stone, the faint glow of mana-lamps throwing long, uneasy shadows along the walls.
The cadets followed close behind, their boots scraping against the rough floor in a tense, uneven rhythm.
Each sound seed louder than it should have been, echoing through the oppressive silence.
Beside her, Rachel walked stiffly, her face pale and unfocused.
Whatever shock she’d suffered had left her hollow-eyed, barely reacting to the world around her.
Lena spared her a quick glance, a pang of sympathy mixing with the weight of responsibility pressing on her shoulders.
Rachel was out of it—she couldn’t be relied on to lead.
Which ant it was Lena’s job to hold the group together, no matter how much her own nerves frayed.
"We keep moving," Lena said quietly, forcing calm into her voice even as her throat tightened.
"Stay alert. Keep formation."
The cadets nodded, but their eyes betrayed them—narrowed with unease, darting to every flicker of shadow.
The closer they drew to the boss chamber, the heavier the air seed to grow, as if the dungeon itself was holding its breath.
And still, there was no sign of him.
No discarded weapon.
No blood.
No footprints out of place.
Nothing.
If Rin had been attacked, there should have been sothing—even a single scuff of a struggle.
But the deeper they went, the more it beca painfully clear:
He hadn’t just fought his way through.
He’d moved like a ghost.
Occasionally, they stumbled across evidence of battles—shattered stone, scorched walls, faint trails of mana.
But each mark told the sa story: soone else had been here.
Other people’s. Other fights.
None of them Rin’s.
The realization made the silence all the heavier.
It wasn’t just that they couldn’t find him.
It was that he seed to have left no trace at all.
Lena’s hand tightened around the strap of her satchel, knuckles whitening.
Rin... where are you?
With every step toward the looming boss room, the question grew sharper, heavier—until it was almost a plea.
----
Author Note:
Thanks for reading.
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