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Crossover Shipgirls: Building a Dimensional Empire from Scratch

Chapter 224 - 224: Decepticons Drawn by the Scent, and Familiar Faces · Nov 03, 2026

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Chapter List (704)

Page number / 15

201 Chapter 201 - 201: Meeting the Father-in-Law! A Shady Alliance with the Forces of Chaos 2026-11-03
202 Chapter 202 - 202: The Emperor of Demise: You’re Seriously Too Extreme 2026-11-03
203 Chapter 203 - 203: Inheriting the Chaos Throne, and Taking Another Dragon Girl Home 2026-11-03
204 Chapter 204 - 204: Girls, Tanks, and Starships 2026-11-03
205 Chapter 205 - 205: Nishizumi the War God, Do You Crave Power? 2026-11-03
206 Chapter 206 - 206: It’s Totally Normal for a Star-Destroyer to Appear in Tankery Matches 2026-11-03
207 Chapter 207 - 207: Panzer IV, Move Out! 2026-11-03
208 Chapter 208 - 208: Whose Tank Does Orbital Bombardment?! 2026-11-03
209 Chapter 209 - 209: Are You the One Who Brought Aliens Here? 2026-11-03
210 Chapter 210 - 210: Northern Parliament Shipgirls Reach Consensus with Pravda High School 2026-11-03
211 Chapter 211 - 211: The Imperial Starship Academy Officially Opens 2026-11-03
212 Chapter 212 - 212: Hurry Up, the Commander Is Handing Out Gear Again! 2026-11-03
213 Chapter 213 - 213: This Is a Teigu, Not a Lewd Toy, Thank You 2026-11-03
214 Chapter 214 - 214: Pay-to-Win Warriors! They’re All Pay-to-Win Warriors! 2026-11-03
215 Chapter 215 - 215: Let’s Go Rob Cybertron 2026-11-03
216 Chapter 216 - 216: Gundam Shipgirls vs. Transformers 2026-11-03
217 Chapter 217 - 217: Little Unicorn, NT-D! 2026-11-03
218 Chapter 218 - 218: The Ambition of the Siren Girls 2026-11-03
219 Chapter 219 - 219: Give the Autobots a Taste of Gundam Shock 2026-11-03
220 Chapter 220 - 220: Alien Gundams Aren’t Very Friendly?! 2026-11-03
221 Chapter 221 - 221: We’re Here to Spread Love and Peace 2026-11-03
222 Chapter 222 - 222: Tribute Is a Higher Form of Alliance 2026-11-03
223 Chapter 223 - 223: Shocking Optimus Primal for a Whole Year 2026-11-03
224 Chapter 224 - 224: Decepticons Drawn by the Scent, and Familiar Faces 2026-11-03
225 Chapter 225 - 225: All of Hoover Fortress in Chaos 2026-11-03
226 Chapter 226 - 226: I Will Strike Again in Gundam Form 2026-11-03
227 Chapter 227 - 227: The Commander Says, Clear the Field 2026-11-03
228 Chapter 228 - 228: I Want You to Be Good Friends with the Decepticons 2026-11-03
229 Chapter 229 - 229: The Siren Girl Has a Bold Idea 2026-11-03
230 Chapter 230 - 230: I Want to Turn Megatron into a Bratty Loli 2026-11-03
231 Chapter 231 - 231: The Great Reconciliation Between Autobots and Decepticons 2026-11-03
232 Chapter 232 - 232: Megatron’s Lifelong Regret—If Only He’d Met the Right Leader 2026-11-03
233 Chapter 233 - 233: Return, and the Increasingly Dangerous Loli 2026-11-03
234 Chapter 234 - 234: All the Treasures from That World Are Here! 2026-11-03
235 Chapter 235 - 235: Starship - Planetkiller - Silver Party Mode! 2026-11-03
236 Chapter 236 - 236: A Strong Commander Means Shipgirls Need Walls 2026-11-03
237 Chapter 237 - 237: I Gave You a Chance and You Blew It! 2026-11-03
238 Chapter 238 - 238: The Commander Often Deals with Life-or-Death Matters 2026-11-03
239 Chapter 239 - 239: Our National Ideal is Staying True to Ourselves 2026-11-03
240 Chapter 240 - 240: The Starsea Emperor Inspects His Loyal Vassal State 2026-11-03
241 Chapter 241 - 241: The Imperial Consort Returns Home in Glory, Kanae Visits the Snowy Swordsmith Village 2026-11-03
242 Chapter 242 - 242: Want to Try Shipgirl-Flavored Hot Spring Water? 2026-11-03
243 Chapter 243 - 243: A Commander Who Simultaneously Dates Eight Spirits is a Role Model 2026-11-03
244 Chapter 244 - 244: A New Spirit and a New Expedition Plan 2026-11-03
245 Chapter 245 - 245: Girl, the One Who Answers Your Prayer Is: Mecha God! 2026-11-03
246 Chapter 246 - 246: From Zero Begins the Wife-Raising Plan 2026-11-03
247 Chapter 247 - 247: Goblin Slayer? Goblin Exterminator! 2026-11-03
248 Chapter 248 - 248: Gained a High-Quality Monster Farming Instance 2026-11-03
249 Chapter 249 - 249: Second Interdimensional War—Seizing World Authority 2026-11-03
250 Chapter 250 - 250: The Natives Who Peed Their Pants in Fear 2026-11-03

”This is the other half of the Transwarp Key.”

Optimus Primal handed the spearhead-shaped metal object to Setsuna, having received it from the locals.

Click—

With a crisp snap, the two pieces instantly joined together at the base.

Though called a ”key,” the artifact resembled a diamond-shaped metal spearhead.

Fwoosh—

A brilliant golden beam of light shot from the key, piercing the sky.

Just like the first time it appeared in the museum, the Transwarp Key emitted a signal frequency invisible to humans but glaringly obvious to Transformers.

With radar and observation equipment, Setsuna and the shipgirls could still detect it.

The beam lit up half the sky in gold for a solid thirty seconds before gradually fading.

”Commander, we detected a high-frequency data stream being broadcast from your position into deep space!”

”It’s acting like a locator signal—broadcasting Earth’s position!”

The message came in from the fleet stationed beyond orbit.

”That’s expected. This thing can travel across different universes in the Transformers multiverse. The energy level is pretty high.”

Setsuna weighed the Transwarp Key in his hand.

He could feel the immense power within.

In the original plot, Scourge used the Key to open a rift and summon Unicron from the Dead Universe into this plane.

Unicron also wanted to use it for interdimensional travel to devour worlds at will.

It was basically a device capable of warp travel and multiversal traversal.

No wonder the science lolis had stars in their eyes the moment they heard of it.

If they could crack its secrets, FTL ships and warp jumps would just be the beginning—they might even be able to build a Stargate.

The Autobots instinctively gathered around.

This was their long-awaited ticket home to Cybertron.

”You can use this to get back home?”

Setsuna looked toward Optimus Prime.

”Yes, the Transwarp Key can open a path back to Cybertron.”

Prime nodded.

”Then can we go with you?”

Gudako asked curiously.

”I’d love to see Cybertron. If we could tag along, wouldn’t that make things easier?”

”I don’t know.”

A bus-shaped Autobot tilted his head.

Wheeljack, the Autobots’ scientist.

”The Transwarp Key’s effects should only work for Cybertronians. In theory, humans wouldn’t be able to use it.”

”But you’re not exactly human either... so I can’t say for sure what would happen.”

”...”

”Never mind then. We’ll bring it back and research it first.”

Setsuna stowed the Transwarp Key.

He wasn’t about to risk himself just yet—there was still work to be done on Earth.

”Keep it safe. Unicron has always coveted the Key’s power.”

”If he or the Terrorcons get hold of it, this entire universe could be devoured.”

Primal warned gravely.

”Don’t worry. We’re taking it to another world. Unicron wouldn’t find us if he died trying.”

Setsuna materialized a ship UI and marked the location of Colorado.

”Let’s go. Time to find Megatron and the AllSpark.”

”Also, alert the orbital fleet to prepare for combat. I have a feeling someone’s coming.”

...

The energy pulse emitted when the two halves of the Transwarp Key merged went unnoticed by humanity.

But the Decepticons hiding on Earth and Cybertron, as well as the Terrorcons and Unicron in another realm, detected it immediately.

The pulse signal was unmistakable and blindingly obvious.

It was the tool needed to open dimensional rifts, and a critical device for activating ancient cybernetic systems.

After the Autobot-Decepticon civil war, the Transwarp Key and AllSpark had vanished into the cosmos.

Now, seeing the blinding signal from the solar system, both Unicron and the Decepticons were stirring.

If the Transwarp Key was on Earth, then the AllSpark might be there too.

Even if it wasn’t, the Key could enable free traversal through the cosmos—making the AllSpark easy to find.

Its value was beyond measure.

In the Dead Universe—

Unicron’s planetary body floated in the void of deep space.

On the platform before him, black liquid metal slowly pooled and formed into a tall Transformer.

Jet-black with golden highlights, aggressive in design, red eyes, iconic arm blades and fusion cannon—

—Scourge.

”My lord, forgive me.”

Scourge knelt on one knee before Unicron, bowing his head.

He had already offered his soul to Unicron. For a god of destruction, resurrecting a servant was trivial.

”Trash.”

Unicron’s voice rumbled like thunder, and an immense force slammed Scourge to the floor.

”Master!”

”I was ambushed on Earth by other Transformers! Not just Autobots—others too… they called themselves Gundams?”

Scourge reported, trembling.

He hadn’t even had the chance to fight back—Barbatos had flattened him in a few swings. It was humiliating.

And confusing. Those mechs weren’t like any Cybertronian he knew.

CRACK!

Scourge was lifted into the air by an invisible force, his joints creaking violently.

”I don’t care who it is. Retrieve the Transwarp Key.”

The planetary machine pulsed with glowing orange light, Unicron’s voice laced with irritation.

”This is your last chance. Bring all the Terrorcons. Do not fail.”

”I… am hungry. I need to feed.”

”Take the Key. Bring me to Earth.”

THUD!

Scourge was slammed back to the ground.

”Yes, master.”

...

4.2 light-years from Earth, in the Alpha Centauri system—

Cybertron.

Most of the planet was mechanical. Its residents, machine beings like the Transformers.

From orbit, its surface appeared riddled with scars—craters, derelict factories, ruined constructs.

Millennia ago, the war between Autobots and Decepticons had left the planet ravaged. Resources depleted. Environment ruined. No longer fit to inhabit.

The Cybertronians had no choice but to flee across the stars.

Megatron, the Decepticon leader, had once left to pursue the AllSpark and the Autobots, but had since vanished.

Those left behind were now planning a new operation.

FLASH!

Suddenly, a brilliant pulse signal erupted in deep space.

It traveled faster than light, spreading across the galaxy.

Every Cybertronian could sense it. Their connection to it told them where it came from.

”The Transwarp Key!!! On Earth!!!”

A towering robot with a cannon-arm pulled up a star chart, looking toward the signal’s origin.

Seeing the blinking beacon on the map, Shockwave trembled with excitement.

Megatron’s flight path had led there too!

If the Key was on Earth, Megatron might be there too!