Inisde the war room of the Siren Base. (Y/N) and the girls including Arbiter were talking about the information obtained about the all out assault of Azur Lane on their base, the shipgirls and the Empress were talking to each other about the attack while (Y/N) stayed quiet to think for a moment.

Iowa:
Not gonna lie, this attack is just plain out stupid, attacking in one go? Don't they have a plan or something that is more effective on defeating their enemies?

Erika (H-45):
Remember who's leading them? It's that incompetent Commander they favored more than (Y/N), that man, no, that failure of a baby male has a brain of a fucking tiny sand particle.

Thunderer:
He doesn't follow his brain nor his guts. He follows his non-existent he calls a "dick".

Yamato:
Not to mention those "Leaders" of OUR factions, who replaced us for them, hell! A fucking child replaced me.

Arbiter:
Okay that's enough with the rants, can we go back to the main topic of how are we going to defeat them? Every single ship of Azur Lane are participating on the assault, there's around 400+ ships. We can't make ships around that number in a short amount of time.

Erika (H-45):
Commander what about your opinion? How can we–

(Y/N):
There's 1,000 Destroyers with 8 Inch guns, 800 Light Cruisers with 10 inch guns, 700 Heavy Cruisers with 15 inch guns, 600 Battlecuisers with 20 inch guns, 500 battleships with 30 Inch guns, and 450 500 meters Aircraft Carriers standing by under the ocean waiting for orders, not to mention the Subbattlecarrier.

The girls were speechless of (Y/N), that amount of ship can take down a large fleet like Azur Lane has even with the Battlecarrier they have, Azur Lane is both outnumbered and outgunned by them, the girls were wondering how (Y/N) did get this amount of ships without them knowing? They thought for a while before remembering that (Y/N) has an ability to summon limitless amount of ships instantly.

(Y/N):
I want Siren ships, limited amount around 250, to patrol around the base, to give the false information to Azur Lane that we didn't have anytime to prepare and make them more confident on defeating us, once they reached 600 meters away from the base, that will be the time the ships. I summoned will rose from the waters to attack them.

Iowa:
I agree with this.

Yamato:
Me too, it's surprising them with numbers.

Erika (H-45):
I agree.

Thunderer:
I waited to see them with crashed prides!

Arbiter:
Yes, by the way, where's that Eagle Union girl..? Uhh… Washington.

(Y/N):
Still asleep because of last night.

Arbiter:
Huh...

(Y/N):
Enough of that. I want everyone to start preparing we don't know when they will attack so be ready.

Arbiter, Iowa, Erika, Yamato, Thunderer:
Aye!!

[Timeskip]

It has been three days now, the Siren Base was still the same like nothing has changed except that there's around 4051 ships under the ocean ready to raise up on the surface to attack the Azur Lane ships with overwhelming number and firepower. (Y/N) and the girls were waiting inside the castle for the Azur Lane forces to arrive and start the battle.

Somewhere near the Siren Base was the Azur Lane forces sailing through the waves at full speed. They have been sailing for three days and now they were closing in the Siren Base with their flagship the Battlecarrier, Montana. They also destroyed some Siren ships along the way without knowing they were only decony ships.

Few moments later. They were very near the Siren Base to the point they can see it on the horizon. They stopped sailing to hear their Commander's super clichè, unoriginal and uninspired speech, which made them motivated somewhere, if Vergil heard this speech that made them motivated. He will be very, very disappointed, really bad.

They began their attack by already destroying decony siren ships still outside the 600 meters area from the base, but once they were inside the area multiple ships rose from the waters behind them, surprising everyone unexpectedly. The ships that rose from the waters had speakers and there was a message.

{Welcome to the Siren Base motherfuckers! Get ready to be fucked in the ass!}

That message was made by Yamato herself two days ago because why not? Multiple missiles can be seen getting launched from the destroyers, the Azur Lane forces immediately rushed the ships. (Y/N) summoned, and destroyed them as quickly as possible, but (Y/N) made the ships out of Adamantium so… That will take time to destroy them.

(Y/N) and the girls got out of the castle to joined in the battle against the Azur Lane forces, the shipgirls went to their factions to battle them, maybe round 2 against the "leaders" of the factions. (Y/N) meanwhile went to a different direction and headed to the Battlecarrier were John is watching the battle or hiding so he won't get hurt, once the battle is finished. He can call himself the "hero of humanity" or something.

Iowa:
Look, who is it?

Enterprise:
Iowa!

Iowa:
Enterprise!

Enterprise walked to Iowa while explosions were happening around her. Iowa smirked knowing that Enterprise wants revenge on how Iowa humiliated her.

Iowa:
Oh? You're approaching me? Instead of helping your comrades in this battle. You're coming right to me?

Enterprise:
I can't beat the shit out of your dirty whore ass without getting closer!

Iowa:
Ho ho! Then come as close as you like.

Iowa and Enterprise rushed each other at full speed. Iowa immediately ducked down avoiding Enterprise's right hook punch. Iowa uppercut Enterprise then elbowed her guys pushing the Eagle Union carrier back. Enterprise ignored the pain on her guts and pulled back the string of her bow, as a yellow arrow appeared. She released the string to let the glowing arrow be launched. Iowa dodged the flying arrow then immediately leg swept Enterprise, causing to lose her balance.

Erika and Bismarck's weapons clashed with each other producing sparks of light. Erika pushed Bismarck away to give them both some space before Erika fired her large 20 inch guns. Bismarck dodged some shells but one HE shell hit her making her be flown backwards and landed on the surface of the waters. Bismarck used her spear as a support to help her stand up, but Erika appeared and hit Bismarck under the chin with her right knee. Bismarck got flown backwards once more from the sudden attack.

The fight was extremely chaotic with explosions everywhere, loud thunderous guns firing, Anti-Air lightning the dark skies, WW2 planes clashing with more advanced Aircrafts, there was already casualties on the Azur Lane side and none on the (Y/N)'s side unless you count the siren ships, but yeah no casualties on (Y/N)'s side.

Now the main show will begin, the large Subbattlecarrier rose from the waters making everyone stop firing to watch the monster of a ship raising from the waters below with its large 20 inch (50.8cm) guns showing it's glory to everyone present in the battle, the Subbattlecarrier was fully on the surface with his presence intimidating everyone around it.

*SFX: Guns charging*

The guns of the Subbattlecarrier are slowly charging, as everyone snapped out from their shock states to prevent the Subbattlecarrier from firing towards the Battlecarrier, the shipgirls, even the Battlecarrier fired their guns at the Subbattlecarrier but it was pointless because the large ship had an indestructible force field blocking, deflecting or absorbing the attacks by the Azur Lane forces.

The 15 20 inch (50.8cm) guns fired, shooting out Electro Plasma Lasers beams towards the Battlecarrier Montana, immediately destroying it's stern, where the flight deck used to be, destroying its guns and making large holes on the starboard side of the Battlecarrier. John immediately got out from the bridge of the Battlecarrier to the decks to hopefully get rescued by the shipgirls, but once there. (Y/N) was leaning against the railings with arms crossed and a smirk on his face.

(Y/N):
You know. Washington screamed my name every night and day when I fuck her brain outs, begging for more unlike her husband can't even pleasure her.

John:
You..! You bastard!!

John charged at (Y/N) ready to punch his handsome face, but (Y/N) only dodged his punch easily then counter it with a punch to the guts and elbow under the chin. John loses his balance and falls on the deck of the sinking Battlecarrier. (Y/N) looked at John with a disappointed face, the "Commander" of Azur Lane got on his two feet and was ready to attack (Y/N) again and again and again, but John was unable to land a hit on (Y/N).

John was extremely exhausted from trying to hit (Y/N), but he wasn't giving up until he charged (Y/N) to only get his head cut off cleanly by (Y/N)'s sword. John's body and head fell down on the deck gushing out blood. (Y/N) picked up the head of John and then walked to the edge of the bow of the sinking Battlecarrier. He raised the head of John in the air, everyone stopped fighting to look in shock to see John's head bodiless.

(Y/N):
THE BATTLE IS OVER! THE COMMANDER OF AZUR LANE IS DEAD! THERE'S NO POINT RESISTING BECAUSE THERE'S MORE SHIP COMING! AZUR LANE HAS CASUALTIES UNLIKE MY SIDE! JUST SURRENDER!

Every shipgirl of Azur Lane stopped fighting and raised their hands up showing signs of giving up because their "Commander" is now dead, proof was there (Y/N) holding John's head by the hair. (Y/N) was happy to kill the bastard, but suddenly he's version went black.