Chapter 25 : The Replica Gambit
"—northern sector."
The words left my mouth before conscious thought could intervene. Decision made. Direction chosen. Lives weighed and found wanting.
"Moving," Yūma confirmed, already shifting toward the Gate formation I'd detected through Spatial Cognition.
Chika followed without question, her trust in my tactical decisions absolute and unearned. She didn't know what I'd just done. She didn't know about the radio calls still crackling with desperate requests from the western evacuation center.
I didn't look back.
The secondary wave hit Yūma's position thirty seconds after we arrived.
Rabbit units — enhanced capture mechanisms designed specifically for high-value targets. Their movements were too coordinated for standard Trion Soldiers, their targeting too precise. They wanted something specific.
They wanted Replica.
The AI had separated from Yūma during earlier combat, its analytical functions tracking multiple threat vectors across the battlefield. Now it hovered exposed, lens pulsing with data collection that continued regardless of personal danger.
"Replica!" Yūma's voice carried genuine fear — the first time I'd heard that emotion from him. He fought toward his partner, Black Trigger forms cycling through attack patterns too fast to track, but the Rabbit units kept reforming, kept pushing, kept isolating their target.
"Chika, elevated position. Suppressive fire on the right cluster." My orders came automatically, Combat Evolution optimizing tactical responses while something else — something human — screamed about the radio calls I was ignoring. "Yūma, break left. I'll draw center attention."
The plan was insane. My trigger read fifteen percent, my trion reserves barely sufficient for defensive operations. Drawing center attention meant absorbing attacks I couldn't afford to take.
I did it anyway.
Raygust activated in shield mode as I moved into the Rabbit formation's sightline. Their targeting systems registered me — low-priority threat, minimal trion signature, negligible combat value. But I was between them and their target, and even low-priority obstacles required response.
Two Rabbits peeled off from the main assault, their capture mechanisms extending toward my position.
I dodged the first. Barely. The second caught my shoulder, armor absorbing impact that should have shattered bone. I stumbled, recovered, raised Raygust again.
"Osamu!" Chika's sniper fire punched through the Rabbit that had tagged me, buying space I couldn't have earned alone.
Yūma surged through the opening our distraction created. His blade found Replica's attackers with surgical precision, dismantling capture mechanisms before they could close around his partner.
The AI floated free, lens intact, data streams uninterrupted.
"Tactical analysis complete," Replica announced, its flat voice unchanged despite near-capture. "Aftokrator unit patterns suggest withdrawal imminent. Recommend defensive positioning."
We'd won. Somehow.
I stood in the combat aftermath, trigger depleted to eight percent, shoulder screaming from impact damage — and three kilometers west, the radio finally went silent.
The last transmission came through static-heavy and broken:
"Evac center overrun. Three trainees down. Repeat, three trainees—"
Then nothing.
I kept my hands steady as I reloaded my trigger. The motion was mechanical, practiced, requiring no conscious thought. Good. Conscious thought would break me.
Three trainees. C-Rank, probably. New to Border, new to combat, new to the reality that invasion meant death rather than training exercises. They'd held the western position because nobody else was available, because A-Ranks were fighting Black Triggers, because the captain of Tamakoma-2 had chosen a different direction.
Because I'd chosen Replica over strangers.
"Osamu." Yūma's voice cut through the silence. "You're bleeding."
I looked down. He was right — the Rabbit impact had torn through armor into flesh, blood seeping through the wound with the slow persistence of injuries that weren't immediately fatal.
"It's fine." The words came out flat. "Superficial."
"It's not superficial." Chika appeared beside me, her medical kit already open. "Let me—"
"Later." I stepped back from her offered help. "We need to secure the sector. Replica, status on remaining Aftokrator activity?"
The AI's lens swiveled toward me, analytical systems processing data I couldn't access. "Withdrawal patterns confirmed. No hostile signatures within detection range. Your tactical positioning during engagement showed 94.2% correlation with optimal theoretical choices. This unit would not have survived without your intervention."
The numbers landed like physical blows. 94.2% correlation. Nearly perfect tactical decisions, executed under combat pressure, resulting in Replica's survival and three unknown deaths.
"Thank you," Replica continued. "This unit acknowledges the debt."
I couldn't respond. The words stuck in my throat, trapped behind the weight of radio silence from the western sector.
Three names I didn't know. Three lives that had existed until I decided they mattered less than an AI companion I'd read about in a manga.
Chika's hand found my arm, gentle pressure that demanded nothing. "Osamu? Are you okay?"
"Fine." The lie came automatically. "Just tired."
Yūma watched me with an expression I couldn't read. His partner floated safely beside him, lens still recording, still analyzing, still alive because I'd made the choice that killed three people.
Victory tasted like ash.
The retreat signals came twenty minutes later.
Aftokrator forces withdrew through closing Gates, their invasion objectives partially achieved. They'd captured civilians, damaged infrastructure, tested Border's defenses. They'd also lost Trion Soldiers, failed to secure primary targets, and retreated without the overwhelming victory their resources should have guaranteed.
History would call it a draw. Border's propaganda would call it a defensive success.
I would call it three names I didn't know yet, carved into stone I'd visit tomorrow.
"Tamakoma-2, return to base for medical evaluation." Usami's voice carried relief through the comm channel. "Good work out there. All of you."
Good work. The praise burned.
We moved through devastated streets toward Tamakoma Branch, passing destruction that would take months to repair. Fires still burned in some districts. Evacuation centers processed civilians who'd survived because Border agents had been positioned correctly.
The western center wasn't processing anyone anymore.
Replica floated beside Yūma as we walked, its presence a constant reminder of the choice I'd made. The AI that had survived. The partner who wouldn't be separated. The divergence from canon that had cost three lives I couldn't name.
I'd saved what mattered to me. I'd sacrificed what didn't.
The math balanced. The guilt didn't.
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