The sky broke.Not metaphorically.Not in some poetic sense.It shattered.High above an unfamiliar town, space cracked open like glass under pressure. A jagged tear spread across the night sky, distorting the stars behind it.For a brief moment—The world held its breath.Then something fell through.
A body.Wind roared violently as Son Goku plummeted from the sky, his orange gi snapping loudly against the rushing air.
His eyes opened mid-fall.Calm.Alert.
"…Huh."
No panic.No fear.Only awareness.
"…This isn't Other World."
The last thing he remembered—A fight.A powerful opponent.The thrill of pushing past his limits. Then—Darkness.And now—This.
Goku twisted his body mid-air, stabilizing himself out of pure instinct.
"…No ki…"
His expression shifted slightly.That wasn't normal.There was energy in the air.
Everywhere.But it wasn't ki.
It felt heavier.Thicker.Like something pressing against his senses instead of flowing with them.
"…Weird."
The ground rushed up.Fast.Goku didn't resist.
BOOM!!
The impact shook the forest, carving a crater deep into the earth. Dust burst outward, trees bending under the shockwave.
Then—
Silence.
A few seconds passed.
"…Okay, yeah. Definitely not Earth."
Goku sat up, brushing dirt off his shoulder. His body was unharmed.But the feeling in the air remained.Uncomfortable.Unfamiliar.
He stood up slowly and closed his eyes.Focused.Nothing.No familiar energy signatures.No friends.No enemies.No Earth.
For the first time—
Goku frowned.
"…Guess I'll have to figure this out myself."
The forest wasn't quiet.Not really.It was watching.Goku opened his eyes slightly.
"…You can come out."
No response.But something shifted.
Far away.Hidden."…Not coming, huh," he muttered.He didn't chase.Instead, he looked up.The crack in the sky—Gone.
"…So I can't go back that way."
That settled quickly in his mind.No frustration.
Just a problem to solve.Then—His stomach growled loudly.
"…Right."
A small grin formed.
"Food first."
Kuoh Town looked normal.Too normal.
Streetlights glowed softly. Students walked home. Shops were still open.Everything felt peaceful.But it wasn't.Goku could feel it clearly now.That same heavy energy flowing through people, through the air—through the world itself.
"…This place is hiding something."
And then—He felt it.A disturbance.Sharp.Violent.Not far away.
Goku's expression changed instantly.
"…That's not normal."Without hesitation—
He vanished.A secluded area behind the school.Dark.Empty.Or at least—It should have been.A boy stood there, frozen in fear.
That boy was Issei Hyoudou.
In front of him—A girl with dark wings.
A smile that didn't belong to a human.
"…You trusted me too easily," she said softly.
Issei's voice trembled.
"…W-What… are you…?"
"Something beyond your understanding."
Dark energy gathered in her hand.
"Goodbye."
Issei couldn't move.Couldn't think.This isn't real.This can't be real.But it was.Just as the attack was about to land—
"Hey."
Everything stopped.The fallen angel turned.
"…Who?"
Goku stood a few steps away.Relaxed.But his eyes—Focused.
"…You're not human," the fallen angel narrowed her gaze.Goku tilted his head slightly.
"Yeah. You neither."
"…Stay out of this."
Goku looked at Issei.Then back at her.
"…You were about to kill him."
Not a question.A statement.The fallen angel smirked.
"And what if I was?"
Goku's answer was simple.
"Then I'll stop you."She laughed.Mocking.
"You? A human?"Goku didn't respond.He moved.
BOOM!!
The ground shattered beneath his step.
Before anyone could react—He was already in front of her.One punch.That was all.The impact sent the fallen angel crashing through multiple walls, her body vanishing into the distance.Silence followed.Complete silence.
Issei stared.Frozen."…What… was that…?"
Goku looked at his fist."…Huh. She was kinda weak."
Clap.
Clap.
Clap.
A slow, composed applause echoed.Goku turned.Standing there—Calm.Powerful.Unshaken—Was Rias Gremory.Behind her, a magic circle glowed faintly.And on the ground—Issei's body.No.Not just his body.Something was happening to him."…What's going on?" Goku asked.Rias didn't answer immediately.Her eyes were fixed on him.
"…You're the one from earlier," she said.
Goku grinned slightly.
"Yeah."Then—A pulse of power spread from the magic circle.Issei gasped—And his body jolted."…W-What… is this…?"
Rias raised her hand calmly.
"Be reborn."The circle flared.A moment later—It was done.Issei lay there.
Alive.But changed."…You're a devil now," Rias said.Silence.
"…A… what?" Issei whispered.
His world—Had just shattered.Goku watched quietly.Observing.Thinking.
"…So this is that energy," he muttered.
Rias finally looked at him directly.
"…You understand more than you show."
Goku shrugged."I can feel it."Not fear.Not confusion.Just curiosity.Rias stepped forward.
"You're not human. Not a devil. Not an angel."
Goku smiled.
"Name's Goku."
"…I see."
Her gaze sharpened."You've just interfered in something far beyond ordinary life."Goku crossed his arms slightly."…Yeah. Figured."
Behind them, Issei was still trying to process everything.
"…D-Devils… angels… what is happening…"
But Goku wasn't focused on him anymore.
His eyes lifted slightly.
"…There's more out there, right?"Rias didn't deny it.…Yes."Goku smiled."…Good."
Because if this world had people stronger than that—Then maybe—Just maybe—
There was a way back.And if not…
Then at least—
It wouldn't be boring.