Long story short After Kongou sank in WW2 she was revived by the creator of Unlondon(who was in Undublin at the time) and since Kongou was built in the United Kingdom (Thank you wiki) the creator took the chance and gave her an job to lead the bobbi...
As they entered the waters that were guarded patrolled by The Scp Foundation they saw an big machine
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(Imagine it's in water and big)
and then female researcher appeared at the entrance of the machine tells them that is the device that they'll use get to UnLondon and they will be the First Batch to go and then they activated the machine and then one by one the shipgirls disappears meaning that they've reached the waters of UnLondon
At UnLondon waters
We could see the shipgirl that got teleported and then they received an radio message
"This is HMS Braham of the 1st Royal fleet of UnLondon state your name and business or else we will attack you"
Warspite: Braham
and then Warspite responded
"This HMS Warspite of the Royal Navy fleet I'm here with the others to support you to engage the sirens"
and then the radio went silent for a minute and then Braham spoke
"Please follow us to the docks"
and then the Shipgirls followed Braham and her fleet
10 mins. later
We could see all of the shipgirl docking the ships and as Warspite gets down Braham hugs her tightly and tells Warspite that she misses her so much which Warspite tells her the same and then Braham wipes her tears and then welcomes them to UnLondon and then wears an mask as the bobbies came
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Braham: Ladies please follow me
and then the shipgirls followed her with the bobbies following as escorts
As they walk at the streets of UnLondon they saw Bobbie snipers in the roof buildings and British Tanks patrolling with groups of bobbies and then they reached the House of Parliament and when they entered the meeting room where The Prime Minister is they saw many shipgirls(Wearing the Bobbie masks) discussing plans where to strike incase the sirens attacked again
and the Haruna looked at the Prime Minister she spoke
Haruna: Kongou
and then The Prime Minister looked at her and then she removes her mask revealing herself as Kongou and the other shipgirls who are also wearing the it followed suit
Kongou: Hello my sisters I'm sure you many questions but I quite busy here Braham please escort them to the reserved rooms that I prepared while others who had finish there business here could go to your respective duties or if you had relatives in our guests could visit them okay
and then Braham and some of the shipgirls that are talking to Kongou left along with the Azur Lane shipgirls
As nighttime comes we could see 3 Kongou sisters resting in the room that was prepared for them until someone knocked in the door and Haruna opens it revealing an woman that she saw earlier close to Kongou
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Mary: Good Evening My name is HMS Queen Mary but call me Mary and Kongou is here to talk to you enjoy
and then Mary left and the Kongou entered the room hugging Haruna
Kongou: I miss you so much little sister
Haruna: I-I miss you to
Kongou: Now then you could start to ask me some questions
and then The Kongou sister talked a lot and then Kongou stayed at there room and slept there ending the day
