we zoom as in the pacific where federation rizky and thunder are patroling the area for any sirens only for a mirror sea to appeard sucking them again as they looked to see a futuristic city and seeing sirens going there normal day

untill they looked to see the siren empress herself

arbitter:welcome to our world boys

federation:its beautiful i never seen a city so advanced

thunder:commentary:how is this city so advanced

arbitter:fu fu fu dear boy its our technology that advanced that makes  us build this cities anywhey how about you come and talk to us in the siren palace and we will finish our duel later

rizky:sure lead the way empress

arbitter:follow me

as they followed here they looked to see the people going their normal lives and with them being suprised to see the  boys here suprisingly they are females which made them shocked that there arent any males

as they were reaching the palace before they can enter federation needed to talk with his two frieunds about them not causing problems

federation:We are about to meet the rest of the siren observers put aside your rivalry and behave i dont want us to get killed

rizky:understood

thunder:commentary:as you wish

as they entered the palace following the empress they entered the meeting room and seeing the rest of the sirens being there and suprisingly they are civilized and so they begun their talking the siren observers were suprised

on how the nations from their world especially the usa will become power hungry and trying to steal their  technology as they ended their discussion they entered the training room where they will be facing arbitter

arbitter:ok boys this will be our final duel you may use all of your skills 

thunder:exsitmented:its time to end this duel

arbitter:fu fu fu it ends here boys entertain me

federation:ok lets dance

https://youtu.be/ZYAPgPH9hsI

and with that they begun to fire on  arbitter and the duel begun as she was fighting them to her fuel potential as they were fighting her thunder was knocked from the arena he was allive seeing his frieund damaged federation entered

his demonic form and went out on full power same as rizky as they opened fire on the siren empress arbitter she fired her fullpower it was an epic struggle in the end rizky and federation power defeated her

as she was damaged federation gave her a hand

federation:need help arbitter

arbitter:you beat me she grabs his hand seeing that you beat me we the sirens will stop our attacks on humanity so how about we celebrated this at the palace

rizky:of course empress lead the way

federation:thunder are you okay

thunder:status:im fine federation that was the best duel so the war is over

federation:we won thunder come on lets get you upgraded as he upgraded him making him more powerful

we zoom in the dining room where the three boys and the siren empress and observerse are eating a queit dinner and talking on what they will do seeing this the siren empress and her observers agreed to come with them to tell the shipgirls the war is over

as they returned back to the azur lane base the shipgirls found out that the sirens are stopping their attacks and they will pay for the damages

they did seeing this the shipgirls had a huge celebration as the night came the celebrations came and they had lots of fun

as for the three boys they went to their ships to sleep and thinking so the war is over now what they decided to stay in this world and to live normal lives