Thunder rolled low across the horizon.
UA's walls held still, but the air inside had shifted.
Unseen.
Uneasy.
In her room, the girl stood in front of the mirror again. Her hands trembled.
It wasn't fear.
It was recognition.
Because this time—the reflection moved first.
"Eri?" her voice was soft.
Eri blinked, sitting up in bed. "What's wrong?"
"She's here."
"Who?"
The girl turned slowly. Shadows curled along her feet.
Her lips moved, but the voice wasn't hers anymore.
"The one you left behind."
Emergency sirens blared.
A black bloom erupted over Training Zone Gamma.
Midoriya was already sprinting down the hall.
"What is it this time?!"
Power Loader's voice crackled over comms.
"Energy signature detected—same as Kira's original pulse rate."
"But we fixed that!"
"No. You saved the girl. Not the glitch."
The real-time feed glitched.
One frame—Static.Another—A silhouette. Floating. Arms loose at her sides.Eyes glowing white.
No mouth.
No voice.
Just a humming echo behind reality.
"She's not just a remnant," Aizawa muttered.
Nezu folded his paws behind his back.
"She's Kira Prime. The version that never got pulled into Eri's rewind."
Midnight's eyes widened. "Then she's pure instability."
"No," Nezu said quietly.
"She's what happens when a mistake keeps growing until it believes it's real."
In the courtyard, the wind dropped to zero.
A faint flicker of movement—
Then she was there.
The Other Kira.
Not flickering. Not phasing.
Just real.
Unbothered by space.
Her eyes scanned the sky.Then the school.Then the dorm tower.
She wasn't searching.
She was remembering.
Inside the observation wing, the girl collapsed.
Eri caught her before she hit the floor.
Her pupils flickered white for half a second.
"She's... inside me," the girl gasped.
"No—she's trying to overwrite you," Recovery Girl said. "She's tracing your memories backward."
"She's going to erase the one we saved to take her place," Aizawa growled. "She's claiming priority."
Nezu's voice cut through: "She's not just a ghost."
"She's a timeline demanding correction."
Midoriya reached the courtyard first.
He stood ten feet from her.
"Kira?"
Her head tilted.
But she didn't respond.
Not a word.
Just that faint hum in the air.
Midoriya clenched his fists. "You don't belong here anymore."
Still nothing.
Then—
Her feet lifted off the ground.
Not flying.Just disregarding gravity.
Like rules didn't apply to her.
Inside, the girl trembled harder.
Eri held her tight.
"You're not her," she whispered. "You're not just a replacement."
The girl looked up. Her voice cracked.
"Then why do I feel her thinking inside me?"
Outside, the Other Kira raised one hand.
A pulse echoed from her palm.
Across the entire campus—Lights shattered.Electronics died.Time markers reset.
And for one long second, everyone saw—
The sky turn upside down.
Like time didn't know which way was forward.
Then she spoke.
Not aloud.
Not in sound.
Directly into their minds.
"I was the first loop."
"You erased me."
"Now I will erase you."
The girl stood on shaking legs.
"Let me go to her."
Aizawa stood in the doorway, blocking the hall.
"No."
"She's a part of me."
"She's a threat."
She looked up at him.
"She's hurting."
Aizawa's eyes narrowed.
"Then don't face her alone."
The team moved fast.
Eri. Midoriya. Iida. Uraraka.
Together again.
But none of them spoke.
Because none of them were sure...
If they were about to stop a threat—Or watch a soul split itself in half.
Out in the yard—
The two Kiras finally stood across from each other.
One real.
One left behind.
Both born from one impossible second.
Time rippled between them like oil.
And the world waited.
To be continued.