Chapter 13: What's in the Forest
They went to the south ridge together.
This had not been presented as a negotiation. The morning after Yuki returned from her extended solo visit to the vilge, Kuroki had stated: "The south ridge investigation. We go together or we don't go."
She'd said it in the tone of someone who'd been holding a debate internally and had arrived at an unshakeable conclusion before the other participant was even in the room.
Yuki had opened her mouth, assessed the situation, and closed it again.
They left at dawn.
The south ridge was farther than any patrol they'd done so far—past the outer barrier markers, past the secondary forest track, and through a section where the pine trees grew so dense the path became more suggestion than road.
Yuki's fox senses cataloged the change as they climbed. The further northwest they went, the more the forest thinned at the sound level.
It wasn't the dense, vibrant birdsong of the shrine's immediate surroundings, but a more careful, watchful quiet.
It felt like walking into a room where everyone had stopped talking the moment you entered.
Kuroki moved like she always moved in terrain like this—efficient, hyper-aware, every step deliberate. Her hand didn't rest on her sword.
She didn't need it within reach when she was already reading the environment this clearly.
Yuki focused on what she could feel.
The cold spots announced themselves before she could see them. Three distinct points, sitting roughly in a line running northwest to southeast, clustered close together.
The closest one was perhaps the size of her room back at the shrine. The middle one was rger.
The furthest one she could only approximate—the boundary blurred at the edges.
"Three meters wide," she said, stopping at the edge of the closest anomaly. "Maybe a bit more."
"Can you tell which direction it runs from?"
Yuki pressed her senses outward, carefully, the way Tsukuyomi had been teaching her.
It wasn't an aggressive push, but a slow expansion, like turning up the volume on a frequency that was already pying.
The cold spot had a distinct direction to it. It wasn't symmetrical like a stagnant pond; it was shaped, like a current.
"Northwest," she said. "The drain runs northwest."
"Consistent with the marks on the map."
Yuki looked at the pine tree nearest to Kuroki. The bark at eye level was scarred. They weren't random scratches—it was a pattern.
The same angle, the same depth, repeating in a jagged line. Below that was another set. Below that, another. Three yers of marks at different heights.
It looked as if whatever had been passing through here had gotten rger over time. Or, the same thing had passed through enough times that it had worn grooves into the wood, the way a river cuts through stone.
---
She started with the smallest cold spot.
She'd brought extra materials for this—high-quality ink for the barrier seals, and freshly inscribed purification slips where she'd actually taken her time and gotten the characters right.
She set up her stance properly. Did her breathing. Reached for the clean channeling that Daichi had watched her do at the shrine.
She pressed her energy into the cold spot.
The spiritual energy met immediate resistance.
It wasn't the natural resistance of a purification working against wild corruption. She knew that texture now; it usually pushed back and then yielded, like breaking through a crust of ice. This was different.
This resistance was organized. It was an active counter-pressure, steady and immediate, like pressing your palm against someone else's hand and feeling them press back with exactly the same force.
She pushed harder. The counter-pressure matched her exactly.
She stopped. Breathed. She tried a different angle—not a direct push, but a wrap, trying to fold her purification magic around the outside of the drain point.
The drain point didn't flinch.
Yuki lowered her hands, breathing hard.
"It's not working," she said.
"I can see that," Kuroki said. "Why?"
"Because someone made this deliberately, and they knew how to make it hold." Yuki stared at the spot. It looked like ordinary ground. Ordinary pine needles. Completely unremarkable.
"This isn't a corrupted area I can just cleanse. Something is actively maintaining this drain. It's not residue. It's infrastructure."
*Infrastructure.* The word felt right, and terrible.
"Infrastructure for what?" Kuroki asked.
Yuki thought about the directional pull. The northwest thread. The way the cw marks on the bark showed three yers of height—three different sizes, or three different passes.
She thought about the organized vilge attacks that Kuroki had said felt deliberate.
She thought about what you build infrastructure for.
"Transportation," she said slowly. "Or feeding. You'd build a network of drains if you needed to move energy from one pce to another. Or if you had something at the other end that needed to eat."
Kuroki was quiet for a long moment.
Then she turned back to the trees and started following the cw marks.
--
They tracked the gouges for three hundred meters northwest. The line stayed incredibly consistent. It didn't weave or follow the easiest terrain; it cut directly across the slope.
It was built for utility, not wandering. Whatever made these marks had a specific destination in mind.
At the three-hundred-meter mark, they found a fourth cold spot, totally off Daichi's map. It was rger than the clustered three. And past that, Yuki could feel the faint, freezing edge of a fifth.
"Stop," Kuroki said.
"I know," Yuki said. She'd already halted.
They looked northwest together. The forest continued, dense and climbing, getting quieter and quieter the further Yuki let her senses reach.
"We'd need to know what's at the end before we walk into it," Kuroki said, her voice low.
"I know."
"We don't.""
I know."
Yuki's tails had pressed completely ft against the backs of her legs—an involuntary reaction that meant frustration mixed with something that wasn't quite fear, but lived in the same neighborhood.
She forced herself to take a slow breath.
"We go back," Yuki decided. "Map what we have. Talk to Tsukuyomi tonight."
Kuroki nodded once. They turned back.
The descent was quiet for the first ten minutes.
Then Yuki spoke up. "The vilge attacks.""
What about them?"
"What if they're not the point? What if you're something old and patient, and you've been draining this forest for months?
You have this whole infrastructure, you're building toward something at the northwest end... you don't actually need the vilge.
But you do need the shrine to stay distracted." Yuki stopped walking, the pieces clicking together in her head. "You'd want the guardian focused on the immediate, noisy threats at the perimeter. Not looking northwest."
She looked at the samurai. "The attacks are just noise. The actual operation is the cold spots."
Kuroki, who had been walking two paces ahead, stopped when Yuki stopped. She turned slowly.
"That's what I've been thinking," Kuroki said. "For the past week."
Yuki stared at her. "You've been thinking this for a week?"
"I didn't have enough evidence to say it as more than a feeling."
"You could have—" Yuki stopped. Breathed out sharply. "We've been eating dinner together every night for two weeks."
"I know."
"That's a lot of dinners where you could have mentioned a working theory."
Kuroki shifted her weight. She looked, very briefly, like she was entirely aware this was not her best argument.
"I wanted to be certain. I'm certain now."
Yuki put both hands over her face and pressed. Her ears fttened in pure exasperation. She dragged her hands down and looked at the taller woman.
"Fine," Yuki said. "We have the same theory. Now we do something with it." She started walking again, brushing past Kuroki. "But you'll tell me things like that. Future things. Even when they're just feelings."
Kuroki didn't move immediately. Then her footsteps resumed, falling perfectly back into pace beside Yuki.
"...Yes," Kuroki said quietly.
"Good."
They walked the rest of the way back in the comfortable quiet of two people who had just done something that felt unexpectedly significant.
Author's Note:
Hey everyone! As promised, I'll be dropping two bonus chapters this month — and I'm excited to announce that the first one goes up tomorrow! Just a heads up: these are bonus content and not part of the main story. Hope you enjoy them!
— Thank you for reading and for all your support ??

