Hiding My Mastermind Core in a Yandere Academy

Chapter 52: Kaede’s Ledger, Reopened

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Kaede was still cataloguing the wreckage of her own credibility when Neil found her in the third-floor study, the vault inscription’s projection dimmed to a low, idle glow above her desk.

"You shouldn’t be here," she said, without looking up from the parchment sample she was examining. "The Vane clan has enforcers watching every corridor connecting to my wing since the inquiry suspended. If you’re seen—"

"Lilith’s hairpin was left in an abandoned waystation," Neil said, cutting through the procedural caution neither of them had time for. "Whoever took her removed it without a struggle. I need to know where that parchment came from." He set the note on her desk, the one from the cell window, beside the second one from the waystation.

"The paper stock. The ink composition.

Something that narrows this down beyond handwriting I don’t recognize."

Kaede studied both notes for a long moment before answering, her analytical composure visibly effortful, held together by discipline rather than genuine steadiness. The Senate chamber’s humiliation still sat close beneath her surface — Neil could see it in the faint tightness around her eyes, the careful way she chose each word.

"I’m not doing this because I trust you," she said flatly. "I’m doing it because my career is currently entangled with whatever mystery you represent, whether I want it to be or not. The Truth Array failed in front of forty senators standing beside a man connected to your bloodline. My professional survival now depends on understanding what actually happened in that chamber, and this—" she gestured at the notes "—may be the fastest path to an answer that isn’t the one Celine Vane is currently constructing about my incompetence."

"That’s fair," Neil said, and meant it. He hadn’t expected warmth, hadn’t wanted it complicated by anything softer than a clear-eyed transaction. This, at least, he understood.

She drew both notes under a magnification array, her fingers moving with practiced precision as she extracted a microscopic fiber sample from each.

"Interesting," she said after several minutes of silent analysis. "Both notes share identical paper stock — high-grade scholar parchment, the kind produced exclusively by three certified mills in the empire. But the fiber degradation pattern suggests this batch is old. Older than either note’s ink, by at least a decade."

"Meaning?"

"Meaning whoever wrote these notes has been holding a stockpile of parchment for years, waiting for a reason to use it." Kaede’s eyes narrowed at the sample, some old, familiar hunger for a puzzle briefly overriding her guardedness. "That’s not the behavior of someone reacting to recent events, Neil.

That’s the behavior of someone who prepared for this exchange a very long time before you ever walked through Akuto Academy’s gates."

Neil’s stomach tightened. Not a new player, reacting to the last three months. Someone who’s been positioned, patient, for years — possibly since before the Black Tide.

"Can you trace the mill?"

"I can try." Kaede pulled a registry ledger toward her, cross-referencing the fiber signature against known production records. Her fingers moved fast, methodical, and Neil watched her work with the specific respect he’d learned to hold for her precision even when it had once been aimed directly at dismantling him.

The trail held for nearly twenty minutes — batch numbers, distribution records, three possible mills narrowing to one — before it simply stopped.

"The purchase record’s been altered,"

Kaede said, voice going flat with something colder than frustration. "Not deleted.

Altered. Someone replaced the actual buyer’s name with a fabricated merchant identity, cleanly enough that a standard audit would never flag it." She sat back, staring at the corrupted entry. "I would not have caught this discrepancy without cross-referencing three separate registries simultaneously.

Whoever did this assumed a single-registry search, which is the standard method any investigator — including the Research Division’s own senior staff — would have used."

Neil went very still, the implication settling into place with unwelcome clarity.

They didn’t just hide the trail. They hid it specifically well enough to survive a competent search, and specifically poorly enough that a search this thorough would still find the seam.

"They wanted this found," he said quietly.

"Not immediately. Not by anyone. But eventually, by someone patient enough to cross-reference three registries instead of one."

Kaede looked up at him, something sharp and unsettled moving behind her usual analytical calm. "You’re suggesting whoever is behind this anticipated not just that we would investigate, but the specific method we would use to do it."

"I’m suggesting," Neil said, the words landing colder in his own chest than he expected, "that we’re not dealing with someone reacting to my moves. We’re dealing with someone who’s already mapped how I think, and is leaving trails calibrated exactly to how deep I’ll dig before I stop."

The room fell silent, the vault inscription’s dim projection casting long shadows across Kaede’s cluttered desk. For the first time since Neil had met her, he watched something that looked almost like genuine unease cross her carefully composed features — not fear exactly, but the specific, uncomfortable recognition of a scholar realizing her own rigor had just been turned into a variable someone else controlled.

"I don’t like this," she said finally, quiet and precise. "I have spent my career operating on the assumption that sufficiently thorough analysis eventually produces an unambiguous answer. Everything about these two notes suggests someone constructed this trail with full awareness of that assumption, and used it against us deliberately."

"Welcome to the last three months of my life," Neil said, and there was no humor in it at all.

Kaede didn’t respond to that. She turned instead to a fresh sheet of parchment, sketching the fabricated merchant identity’s details from the altered registry entry with careful, deliberate strokes.

"This false identity had to be constructed by someone with legitimate registry access,"

she said. "Not a forger working from outside the system — the alteration is too clean, too consistent with legitimate formatting conventions. Whoever did this either works within the imperial bureaucracy, or has access to someone who does."

Renfeld. The thought landed hard and unwelcome. He worked bureaucracy for over a decade. If he was compromised before his death — used as a tool rather than simply silenced—

"I need everything you have on Renfeld’s clearance level," Neil said abruptly. "Not his depot assignment. His actual registry access, historically, going back as far as your division’s records extend."

Kaede’s eyebrow rose slightly at the sudden shift, but she didn’t question it, already reaching for a second ledger. "You think the clerk had a hand in this."

"I think whoever’s running this operation has been using tools already embedded in this academy’s bureaucracy for years," Neil said. "Renfeld fits that profile better than anyone else currently connected to this thread.

Whether he knew what he was part of, or was simply another piece being moved without his understanding — I don’t know yet. But I need to know before I trust another lead this clean."

Kaede worked in silence for several minutes, cross-referencing records with the same methodical precision she’d applied to everything else, until she finally sat back, her expression carrying something close to genuine alarm.

"Renfeld’s registry access was expanded three years ago," she said slowly.

"Authorized by a senior logistics director whose signature I don’t recognize, using an authorization code that predates the current Research Division’s entire records system."

She looked up at Neil. "Whoever approved that expansion did it through a channel that, as far as my instruments can determine, should not currently exist."

Neil felt the cold, familiar certainty settle over him — the specific, unwelcome clarity of watching a pattern complete itself into a shape he didn’t want to see.

"Hollow Ledger," he said.

"Or something closer to them than either of us has confirmed yet," Kaede said carefully.

"Neil — if Renfeld’s access was expanded by the same authority protecting your family, and that same access was later used to construct a false identity covering this parchment trail, then the line between Hollow Ledger’s protection and whoever is currently holding Lilith may be far thinner than the old man’s testimony suggested."

The room went very quiet, the weight of the implication settling over both of them at once.

Neil thought of the old man’s calm, unhurried voice in the Senate chamber. I have limits, even when I would rather you believe otherwise.

What if the limits aren’t the problem. What if the organization itself has more than one face, and the version protecting me isn’t the same version that’s now holding Lilith?

He didn’t say that out loud. He didn’t have enough certainty yet to voice it as anything more than a cold, unwelcome possibility, and some part of him — smaller, more tired than he liked to admit — wasn’t ready to test whether saying it made it true.

Kaede was still staring at the corrupted registry entry, something calculating and unsettled moving behind her eyes.

"I want to help you find her," she said finally, the words carrying none of her usual clinical distance, though her voice stayed controlled, deliberate. "Not out of sentiment, Neil. I meant what I said — my professional survival is tied to understanding what actually happened in that chamber. But I would be lying if I claimed that was the only reason anymore."

Neil didn’t push her to explain further. He simply nodded, filing the admission away without demanding more from it than she’d offered.

He was gathering the two notes to leave when Kaede’s voice stopped him at the door, quieter now, careful in a way that made the hair on his arms rise before she’d even finished the sentence.

"Neil. The registry entry I found — the one showing Renfeld’s access expansion." She held up the ledger, her expression unreadable. "It’s not the only unusual authorization on record. There’s a second expansion, filed under the same anomalous channel, dated four days ago."

"Whose access?"

Kaede turned the ledger toward him, and Neil felt the floor of the study tilt beneath him as he read the name attached to the authorization.

Mira Chen.

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