The morning Hiroshi announced they were walking into Kuoh, Riku had been mid-drill.
It wasn't a sword drill—those happened in the courtyard under Hiroshi's direct, clinical supervision. This was Riku's own private routine, one he'd constructed quietly over the past year. It was a series of slow, agonizingly precise movements designed to wake his body. He held each transition a full breath longer than necessary, forcing his weight to find its absolute center before allowing himself to move on.
He was on his fourth repetition, his mind focused on the subtle shift of his center of gravity, when Hiroshi appeared in the doorway.
"Get dressed for the weather," his father said. "We're going into the city."
Riku completed the current movement fully, finishing the arc of his arm before responding. A small thing, barely a second's delay, but Hiroshi noticed. The man gave a slight, sharp nod—the silent filing away of a correct choice.
Riku closed his morning status check and went to change.
[STATUS]
Name: Riku Snow
Age: 6 years
Level: 9 (280/700 XP)
HP: 112/112
MP: 145/145
STA: 127/127
STR: 22 | DEX: 28 | CON: 21 | INT: 28 | WIS: 28
SP: 0/0 (Sealed — Level 25 required)
[TITLE EQUIPPED]
Big Brother — (+2 WIS Active)
[ACTIVE QUESTS]
Sharpen the Edge — Reach Level 10 (Current: Lv 9)
Soul Thread — Maintain the connection (Stable — strengthening)
[SKILL PROGRESS]
Observation Lv2 — XP: 44/100
Mana Awareness Lv2 — XP: 78/100
One level away from the quest completion. The thought sat at the back of his mind with quiet persistence as he pulled on his jacket. Level 10 was close enough to taste, a milestone that felt like a threshold to the next stage of his life. He just needed the right conditions.
He checked his Mana Awareness progress again. Seventy-eight. That one was close, too. Today might be interesting in more ways than one.
Yuki stayed home with Kairi, which was the established rhythm when Hiroshi had something specific in mind. The two of them had a precise, unspoken division of labor; Yuki rarely needed to be told when to step back, and Hiroshi rarely needed to ask.
Riku walked beside his father through the manor's main gate and into the residential streets of Kuoh's outer edge. The city was warmer today than it had been all week—the kind of clear-aired 1989 morning that made edges sharper and the colors of the bustling streets cleaner.
He kept his senses open as Yuki had taught him—not reaching outward aggressively, but remaining receptive. The difference between grasping and receiving, she'd called it. Grasping was an exhaustive distortion; receiving just required the patience to let the world reveal itself.
Hiroshi walked at a pace that was unhurried but calibrated—the stride of a man who intended to cover ground and observe the terrain simultaneously.
"What do you notice?" Hiroshi asked, after they'd been walking for several minutes.
Riku had been waiting for the prompt. "Traffic patterns don't match the hour," he said. "Too quiet for a weekday morning. Either an event earlier kept people home, or these residential blocks run significantly quieter than the commercial districts." He paused, narrowing his internal focus. "Energy distribution is uneven. There's a concentration four blocks north that doesn't correspond to anything visible on the street."
Hiroshi said nothing. That was confirmation enough.
[SKILL CHECK — ACTIVE]
Observation Lv2 — Environmental analysis in progress.
Anomaly detected: Energy signature concentration, bearing North-Northeast.
Classification: Unknown. Recommend caution.
Riku kept walking, his expression a mask of neutral indifference.
--DxD--
The concentration of energy was faint. Three months ago, he might have missed it entirely, before Mana Awareness had started genuinely integrating into his psyche. Now, it registered at the edge of his perception like a sound just below the threshold of hearing—not quite there, yet undeniably present if you knew how to listen.
Something was in this city. Something that possessed a "weight" ordinary things lacked. It wasn't close, nor was it looking for them. It simply existed, the way a large predator exists in a forest—its presence reshaping the texture of everything around it even when it wasn't moving.
Riku knew what it was, broadly speaking. He'd known since before he was born in this body what moved through Kuoh beneath the surface of its mundane life. But knowing it intellectually and feeling the actual, visceral pressure of it were entirely different experiences.
His energy pulled inward without a conscious decision.
It wasn't a technique Yuki had formally taught him yet. He'd read the theoretical discussions she'd been building toward—the concept of energy masking, of making a signature unremarkable. He hadn't practiced it. But something in his "Heavy Soul" recognized the predatory nature of the atmosphere and responded before his analytical mind could formulate the instruction.
Small, something in him whispered. Quiet. Unremarkable. Don't be interesting.
His mana pulled inward like a breath drawn slowly. It wasn't suppression—suppression created a "negative pressure" signature that was often more noticeable than just existing naturally. This was different. This was just becoming less.
[NEW SKILL ACQUIRED]
Energy Masking Lv1
Reduce your energetic signature to avoid detection. Passive application detected.
Current effectiveness: 34% signature reduction.
[QUEST ASSIGNED — AUTOMATIC]
Stay Small
Objective: Maintain Energy Masking for the duration of this outing.
Reward: Energy Masking Lv1 → Lv2, +1 WIS, 120 XP.
The most dangerous thing in a city of predators is being noticed. Don't be noticed.
He dismissed both notifications without breaking stride.
--DxD--
Hiroshi glanced at him sideways. It was just a look, but it carried the specific quality his father's glances often had—the one that meant he'd seen something significant and was deciding whether to address it now or file it for later.
He filed it for later.
They walked on. The concentration to the north didn't move. Whatever it was, it wasn't paying attention to a man and a child. They were too small and too quiet to register against whatever else occupied its mind.
The commercial district of Kuoh was livelier. This was 1989 at its peak; the streets were lined with vibrant neon signs and the air was thick with the smell of expensive street food and the hum of a city that thought the money would never run out. Riku cataloged it all: exit routes, sight lines, the natural flow of foot traffic.
He'd been doing this for years. It had stopped feeling like effort and started feeling like breathing.
Hiroshi stopped at a small tea house near the center of the district and ordered for both of them. He had opinions about tea that he never explained and clearly felt didn't require explanation. They sat at a low table near the window.
"You pulled your energy in," Hiroshi said, without preamble. "Back there. Before I said a word."
"Something was there," Riku replied. "North-northeast. About four blocks."
His father wrapped his hands around his cup. "I know. I felt it this morning. That's why we came today." He paused. "How did you know to mask?"
"I didn't decide to," Riku said. "It just happened."
Hiroshi considered that. "Good instincts are built from correct decisions made consistently over time until they stop requiring conscious thought." He looked out the window at the passing crowds. "You've been making correct decisions."
Coming from Hiroshi, that was the equivalent of a standing ovation.
[SKILL PROGRESS]
Energy Masking Lv1 — XP: 45/100
Observation Lv2 — XP: 78/100 (+34 XP)
Mana Awareness Lv2 — XP: 94/100 (+16 XP)
Riku drank his tea. It was better than he'd expected.
--DxD--
The concentration to the north shifted while they sat. Not moving—just reorienting. Like something that had been looking one way had turned to look another. It still wasn't paying attention to them, but it was a reminder of what Kuoh actually was.
Riku thought about Cleria Belial.
He knew her name. He knew her story—or the version of it that existed in memories of another life. He knew what was coming for her years from now, when the "canon" began to unfold.
He sat with that knowledge as he had since he was old enough to understand it—steadily, but not comfortably. It was like carrying something heavy that he hadn't yet found a place to put down.
Not yet, he thought. The same two words he kept returning to. Not ready. Not yet.
It wasn't indifference. He needed to be honest with himself about that. It was a calculation he made every day: that exposure now would cost more than it bought, and that an unprepared intervention would only put his family at risk.
He hoped it was the right calculation. He wasn't entirely certain it was.
--DxD--
Hiroshi set his cup down with a soft clack. "There are things in this city that have been here a long time," he said. "Arrangements. Territories. Layers beneath what people see." He met Riku's eyes. "You know this."
It still wasn't a question.
"Yes," Riku said.
"Then you know the correct response to what you felt this morning was exactly what you did." A pause. "Not engagement. Not flight. Just becoming unremarkable and continuing."
"Head down," Riku said. "Not yet."
"Not yet," Hiroshi agreed. Something moved in his expression—not quite pride, but something more complicated. "There will be a time for the other thing. That time requires preparation we haven't finished." He picked up his cup again. "So, we finish it."
Riku nodded. The truth of it settled into him without resistance.
The city outside moved through its afternoon, ordinary and layered and entirely indifferent to the conversation happening in the small tea house. The walk home was quieter. Hiroshi didn't prompt him with further questions. Riku kept his energy masked and his senses open, cataloging the return route with systematic attention.
The concentration to the north had dissipated by the time they reached the residential streets. Whatever had been there had moved on or settled back into the background texture of the city. He noted the distinction and filed it. There was a difference between "gone" and "hidden."
[QUEST COMPLETED]
Stay Small
Energy Masking maintained for full outing duration.
Reward: Energy Masking Lv1 → Lv2, +1 WIS, 120 XP.
[SKILL LEVELED UP]
Energy Masking Lv1 → Lv2 (Signature reduction: 58%)
Mana Awareness Lv2 → Lv3 (Detection range and entity classification improved.)
He let the notifications stack until they were back inside the manor's gate. Then he paused in the courtyard and closed each one methodically. Two skill level-ups in a single outing. The system had been busy.
He pulled up his full status screen.
[STATUS]
Name: Riku Snow
Age: 6 years
Level: 9 (400/700 XP)
HP: 112/112
MP: 145/145
STA: 127/127
STR: 22 | DEX: 28 | CON: 21 | INT: 28 | WIS: 29 (WIS was 28 + 1 from Quest Reward)
SP: 0/0 (Sealed — Level 25 required)
[ACTIVE QUESTS]
Sharpen the Edge — Reach Level 10 (Current: Lv 9 — 400/700 XP)
Soul Thread — Maintain the connection (Stable — strengthening)
Close. Very close now. He went inside.
That evening, Yuki found him in the library, working through a theoretical text. She sat across from him and waited until he'd finished his page before speaking—the discipline of finishing a task before starting the next.
"Hiroshi told me what you did," she said. "With the masking."
"I didn't decide to do it."
"I know." She folded her hands on the table. "Instinct that produces correct results isn't luck. It's the surface expression of understanding that has gone deeper than conscious thought." A pause. "I want to begin formal masking lessons next week. What happened today tells me you're ready for the structured version."
Riku thought about the 58% reduction. Formal training would push that higher. More importantly, it would grant him understanding, which could be refined in ways pure instinct could not.
"What happened out there," he said carefully. "The thing to the north. That's going to keep happening."
"Yes," Yuki said simply.
"We're going to keep being careful and quiet and unremarkable."
"Until you're not," she said. "Until being careful is a choice rather than a necessity. That's what we're building, Riku. So that one day, you can choose."
--DxD--
From upstairs, muffled by the floor, came the sound of Kairi's voice—an indignant monologue addressed to a toy. The thread in Riku's chest pulsed with its usual warmth.
He felt the weight of the city again—the calculation he kept making.
Not yet, he thought.
And underneath it, quieter: But eventually. I promise.
He went back to his book. Yuki worked on her notes, and the manor held them in its solid, deliberate quiet while Kuoh kept its secrets in the dark.