Location: Earth

Boboiboy's vision begins to blur and his legs start to turn jelly as he feels exhausted after he reverts to his original form. It's been a very tough fight from the moment he gained the ability to fuse his remaining elemental powers to form Frostfire, Glacier and Supra to fight Retak'ka, as well as gain back the ones stolen by the evil alien.

"I... I did it..." said Boboiboy as he slowly backed away, only for him to slip and fall from the hydroelectricity, straight into the lake and a crack of ice followed by a splash was heard as the 14-year-old boy sank into the deep.

"Boboiboy!" a muffled distant yell can be heard, before a group of four break through the ice as they raced to save him.

"Boboiboy! Hang on!" said Gopal as he quickly dived to save his friend.

Suddenly, there was a bright flash behind the unconscious sinking boy, before a large circular-like portal appeared, and it appeared to be pulling him towards it.

"!?" The four gasped amid the ambient noises of water as they witnessed their friend getting absorbed into the mysterious portal.

"Boboiboy is getting drawn into the portal's opening!" said Ying as she frantically swam.

"We need to save him!" said Yaya.

The group accelerates their motion to prevent their friend from entering the portal - it is all too late.

"Boboiboy!" the four exclaimed at the top of their heart.

Fang extended his arm to reach Boboiboy, but to no avail as the portal instantly vanished in an intensely bright light.

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As the portal shut on its own, Boboiboy who was still unconscious travelled through a wormhole at a tremendous speed. Yet, he was awakened, inside of his mind.

"Where... Where am I? Why is everything around me all white?" asked Boboiboy as he looked around him, finding nothing but vast emptiness of white terrain.

"Am I? No... Impossible... Am I dead!?" A sudden dread realization hit Boboiboy. His heart started to beat fast while his eyes wildly looked around and his body started to sweat.

At that moment, he heard a voice. Strangely, it sounds bold, cold and female...

"War... War never changes in any era" the female voice stated.

"Huh? War? What war?" asked Boboiboy as he tried to search for the source of the voice.

That's when he noticed an image of what looked like a sailing ship from the age of discovery.

"The age of discovery. Humanity set sails into the oceans with adventure in their hearts. But soon, those hearts were filled with a different desire, to conquer the seas," the female voice said as the image transitioned to a scene where he saw ships firing at each other.

"That voice again. She seems to be narrating the past... could it be from the age of the Malaccan Sultanate, the battle against the Portuguese, precisely? Given that history is my least favourite subject, I don't understand..." the boy thought as he tried to digest what the female voice said.

"However, the true enemy appeared from outside the world..." the female voice spoke again. This time, Boboiboy witnessed a convoy of battleships going full broadside on their starboard as not one but tens of mysterious purple portals appeared from the sky, where menacing alien-like battleships came out and splashed into the rough water of the stormy seas.

"Is this some sort of an elaborated prank?" Boboiboy asked the female voice - no answers were heard, but Boboiboy later saw something that baffled him.

The image then zoomed into one of the portals, where he saw female humanoid aliens with a pair of yellow eyes and long white hair while sporting large, black mechanical extensions on their bodies, ranging from laser cannons to metal constructs that incorporate the likelihood of various sea creatures. Their equipment reminds Boboiboy of Gaga Naz, a member of the power sphere hunter 'Tengkotak', who sports a pair of cybernetic arms and cybernetic legs.

"The Sirens. With their vast superior technologies, the Sirens easily pushed humanity out of the oceans. There was no longer any place in the seas for mankind," the female voice spoke as the image showed the female humanoid aliens, revealed as the Sirens, easily repelling the battleships with their weapons.

"I still don't understand any of this! What is going on?! What am I seeing right now?!" Boboiboy's mind ran wild as he tried to process all of the information.

Boboiboy at first shuddered upon the sight of the battle, but he hid his emotion, expressing his true courage. Even though he never went into any war, at least he had fought tons of extraterrestrial enemies during his recent years in TAPOPS (Tracker And Protector Of Power Spheres).

"To counter this unprecedented threat, humanity organized a global alliance named Azur Lane," the female voice said as another image appeared. This time, it appeared to be what looked like a white flag with a lady figure amid a large compass-like roundel, all in azure.

"Azur Lane? Just like TAPOPS?" asked Boboiboy, who seemed to be intrigued.

"Together, they fought valiantly against the Sirens. Central to the formation of this grand alliance were the four major camps—Eagle Union, Royal Navy, Iron Blood and Sakura Empire," the female voice stated as the flags of the four major camps appeared after the Azur Lane's.

It didn't take long for Boboiboy to realize that these four major camps somehow interestingly related to the real nation in his world. The Eagle Union embodied the United States, whereas the Royal Navy personified the United Kingdom and the Sakura Empire must have something to do with Japan. Still, he can't figure out what the Iron Blood belongs to.

"After a desperate struggle, the Azur Lane finally repelled the Siren onslaught,"

The image later showed a battle taking place, where the Sirens were defeated by female figures that sported mechanical mounts similar to their adversaries but with warships' components like the turrets, AA guns, torpedo launchers, the bow, as well as the bridge.

Less did he realise that were the last words spoken by the mysterious female voice along with the images as his passed-out physique but conscious mind travelled through the wormhole as if there was no end to this journey.

"Hmm... That mysterious female voice has gone. But... Who are those women in the last picture? They look like humans but at the same time, I don't think they are... Why do they have mechanical mounts similar to the Sirens? I wonder what's their name..." thought Boboiboy.

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Location: Waters adjacent to Eagle Union homeland

"Is this kid's going to be okay?" a woman asked.

"I'm not sure, Ms. Enterprise. Judging by his injuries, he had taken some hits. Perhaps, he was involved in some kind of fight? It's lucky that he still got his vitals," said a girl next to her, who was applying bandages towards the bruce of a passed-out boy.

The woman scrutinized the appearance of this boy. He was wearing a black shirt with elbow-length sleeves under a partially zipped orange vest with a prominent collar while donning a pair of blue jeans and a black belt. His boots are black, white, and grey. He wears a Power Band over his short red arm-warmers and his cap has a dinosaur-like appearance with spikes along the top, albeit the "mouth" part is less prominent and there are fewer yellow spots underneath his brown hair. The zipper of his vest and the logo on his cap is stylized to look like a "B".

It's none other than Boboiboy himself.

"Not forget to mention that he popped on my flight deck next to an SBD Bomber out of nowhere and was unconscious at the same time. Judging by his clothes as well, I can tell that he neither looks like the citizens of the Eagle Union, nor the Royal Navy. Not even an Iron Blood, of course... and not even a Sakuran," said the girl.

"We should ask him once he is awakened," said the woman.

After finished applying the bandages, the two carried the boy, brought him inside the aircraft carrier's island and placed him on a chair behind a table to rest.

As the two stared at the boy, the girl spoke up with a sudden flirtatious tone.

"Ms Enterprise. Sorry if this annoys you but he looks pretty cute,"

"Oh, Vestal. Please don't tell me that you're into your "spe~cial~ ser~vice~," said the woman.

"Just kidding, hehe. But honestly, he looks cute to me, along with his clothes. I must say that he could be a cool person. Just like Shikikan," the girl added.

That's when the two heard some groans from the boy, revealing he had gained consciousness. Slowly, he woke up as his hand reached for his head. He finally opened his brown eyes and in front of him were two female figures.

The first one has a slender figure and a large bust, she has waist-length silver hair and purple eyes. She wears a white sleeveless collared and buttoned shirt with a black belt wrapped around her midsection and a black necktie, a black miniskirt with yellow linings, black thigh-high with grey belt strap and black boots. She wears a loose black long-sleeve coat with white detached sleeves underneath the folded cuffs and a white navy cap with a black visor.

The second one was a girl who had a slender frame and a medium bust. She had long and wavy lavender hair with a single braid tied by a pink ribbon and blue eyes. She wears a black dress with a white high-collared bib, puffy shoulder, slit sleeves tied by blue ribbon laces and ruffled tailings with clover-leaf motifs, white thigh-high socks with garters, black slips shoes and a white nurse cap with black ruffles, clover-leaf logos and white lop ear-like garters.

"Boy, are you okay?" the girl with the wavy lavender hair asked.

Instead of answering, Boboiboy stretched his arms and his eyes darted around as he looked at the surroundings.

"Please be careful! I've just wrapped your bruce with bandages," the girl added.

"Where... am I?" asked Boboiboy.

"You're inside the island of my ship," said the lady with waist-length silver hair.

"Urm... Island? Ship? You mean... we're at the jetty of Rintis Island? Does that mean I'm already home?" said Boboiboy, which leaves the two puzzled.

"Rintis Island? Never heard such place before," said the lady with waist-length silver hair.

"Oh, you have never heard of it? Well, it's an island where I lived with my grandfather Tok Aba. It is located in Malaysia," explained Boboiboy.

"Ha? Malay- what?" the two asked.

"Malaysia. M-A-L-A-Y-S-I-A; Malaysia," said Boboiboy as he helped to spell the name of his country.

"Mal... Ay... Sia. Malaysia," said the girl with the wavy lavender hair, having some trouble pronouncing it.

"Such a nation never appeared on the map of our world," said the lady with waist-length silver hair.

"Huh? You're saying that Malaysia doesn't exist?" asked Boboiboy.

"The only nations that existed in this world would be the Eagle Union, the Royal Navy, the Iron Blood, the Sakura Empire, the Dragon Empery, the Northern Parliament, the Iris Orthodoxy and Libre, the Vichya Dominion, and the Sardegna Empire," said her.

The mention of the first four nations sent a sudden realization to him.

"Hold on... Did you just say... Eagle Union, Royal Navy, Iron Blood and Sakura Empire?" asked Boboiboy.

"Yes, what's the matter with that? Those are the four major camps of-"

"Azur Lane! The global alliance to fight against the Sirens!" Boboiboy cut off her sentences as if he knew what she was going to say.

"Hmm... How whimsical. The way you speak about Azur Lane is like you already know about it but you mentioned that you're from a country that is neither of those ten earlier," the lady with waist-length silver hair frowned.

"No... I'm not from any of those ten nations... How should I explain it... Ha! Back then, before I ended up here, I was fighting against Retak'ka," said Boboiboy as he began to explain the details.

"Reta-who?" asked the girl with the wavy lavender hair, who seemed to be intrigued.

"Retak'ka. He's an evil alien who greeds for elemental powers from different planets to get stronger," said Boboiboy.

"You can't be that serious. So far, the only aliens that we know in this world are the Sirens, and you're claiming that there are more evil forces out there?" said the girl with the wavy lavender hair with a worried but minor noticeable flirtatious tone.

"It's the truth. His greed for elemental powers was so terrible that he even absorbed mine. He claimed that it was his but Hang Kasa, or Tok Kasa because he is old just like my grandfather, who also in turn trained me to fight Retak'ka, revealed to me the truth that he gained them from different owners. After I defeated him, I was so exhausted that I collapsed into a nearby lake. Found out that I stumbled here..." said Boboiboy.

The two females blinked their eyes in disbelief. His statement was something that came straight out of a sci-fi story, which caused the girl with the wavy lavender hair to hold herself from laughing while hiding her face with both of her hands.

"Okay... you're made-up story sounds interesting," the lady with waist-length silver hair said.

"No! It's not a made-up story! I'm telling you the truth," said Boboiboy.

"What is the name of the planet that you mentioned just now?" asked the girl with the wavy lavender hair.

"Planet Quabaq. Why?" said Boboiboy.

Instead of answering, the girl giggles, finding the name of the planet quite hilarious.

"Oh, Mrs Enterprise! This boy is very hilarious!" said the girl.

"Huh? Enterprise?" asked Boboiboy.

"Yes. I guess it's pretty late for me to introduce myself to you. My name is Enterprise, the second ship of the Yorktown-class aircraft carrier. Hull number, CV-6," said the lady with waist-length silver hair, revealing her name to be Enterprise.

"Enterprise? Hmm... such a nice name. Anyway, my name is Boboiboy," said Boboiboy as he introduced himself.

"Boboiboy? Aww... What a lovely name! It suits your appearance, too," praised the girl with the wavy lavender hair.

"Hehe... How about you?" asked Boboiboy.

"Me? I am the Repair ship ー Vestal, Hull Number AR-4!" said the girl, revealing her name to be Vestal.

"Eh? Did you just say that... you're a repair ship?" asked Boboiboy.

"Mmhmm. Enterprise and I are both what this world calls 'shipgirls'," said Vestal.

"Shipgirls? What's that?" asked Boboiboy.

"It's a long story, Boboiboy. To make it short, we do look like humans, yet we are more powerful than humans, for we are weapons, warships precisely," said Enterprise.

"Huh? So both of you are telling me that you two... are warships?" asked Boboiboy, in which he received a nod from Vestal.

"Whoa... does that mean you two are... some sort of A.I. or cyborgs?" asked Boboiboy.

"What? No! We are humans, but we are the manifestation of warships. Enterprise is an aircraft carrier whereas I am a repair ship," said Vestal.

Now, it's Boboiboy's turn to blink his eyes in disbelief.

"Wow... this is getting weirder... First, I find myself hearing the narration of a mysterious female as she explains about the Azur Lane and the Sirens. Now, I find myself estranged in another world where I talk to ships. Warships, precisely, in the form of female sentient beings..." thought Boboiboy as he tried to process the information.

"Boboiboy, I know it's hard for you to digest this since you claimed not from this world, which I guessed might be true because you stumbled upon my flight deck out of nowhere and being unconscious, but we're happy to have you safe and sound after you defeated this Retak'ka," said Enterprise as an assurance.

"I appreciate that, Enterprise. It's also with the help of my friends Ying, Yaya, Gopal and Fang, too," said Boboiboy.

"Okay. Now getting back to your story. Do you have any proof to clarify the story that you're telling us, especially about the elemental powers you mentioned previously," said Enterprise.

"Alright. Those elemental powers, or elemental forms, are what result after the user transforms or splits into different elements. Essentially the elemental split produces 'copies', but still on each form that is called upon. Therefore, the elemental forms are their respective person, each with a unique personality that in one way or another ties back to our original personality. During the elemental split, we also use our elemental names," explained Boboiboy.

"Meaning?" the two asked, still not understanding what Boboiboy stated.

"Here, let me show you," said Boboiboy before his Power Watch glows.

"Elemental Power! Boboiboy Lightning!" said Boboiboy as his body glowed and shimmered throughout the room, and his appearance changed where his clothes' scheme was bright yellow whereas his cap faced forward with the lightning element symbol visible. His armbands turned black with the Lightning elemental symbol on it. His belt changed from black to red with black rims.

"Whoa..." Vestal was awed as she went star-eyed and had her face blushed whereas Enterprise seemed to be speechless at the same time.

"Hehe... Awesome, isn't it?" said Boboiboy Lightning.

"So... this is you, but in your lightning element... What can you do? Conjure lightning bolts?" asked Enterprise.

"Observe," said Boboiboy Lightning before he crossed both of his arms, where lightning sparks from it.

"Lightning blades!" said Boboiboy Lightning as he spawned a pair of lightning daggers whose surface is more of a shiny metal with yellow patterns and flashes slightly sparking around it.

"Wha! Ms Enterprise, look! He just summoned a pair of lightning daggers! I'm so excited!" squealed Vestal as she barely could hold her excitement.

Enterprise on the other hand only smiled and nodded in response, still expressing her shock.

"Heh. That's just one element. There are six more elements that I want to show you two!" said Boboiboy Lightning.

"Six more!?" the two exclaimed, to which Boboiboy Lightning nodded in reply.

"Does that mean... You have seven elements in total!?" asked Vestal.

"Yeah. That's not including the elemental fusion forms," said Boboiboy Lightning.

"Elemental Fusion? What does that mean?" asked Enterprise.

Before Boboiboy Lightning could answer Enterprise's question, the nearby radio crackled as it received a transmission.

"/This is an emergency broadcast from the Prince of Wales of the Royal Navy. To any friendly warships nearby, the newly constructed Azur Lane base is under attack by enemy forces of mass-produced Siren warships and two Sakura Empire aircraft carriers belong to the 1st Carrier Division - Akagi and Kaga. We need an immediate backup! Repeat -\"

Hearing this, the three tensed up.

"The new Azur Lane base... is under attack?" said Vestal.

"Akagi... Kaga..." said Enterprise with a firm tone.

"Wait. What's going on?" asked Boboiboy Lightning before a thought hit him.

"Hold on... Why did the Sakura Empire turn hostile and attack the base along with the Sirens when they were supposed to be aligned with the Azur Lane? And this Prince of Wales... Could she be the same Prince of Wales that was now a sunken wreck at the east of Kuantan, Pahang? Doesn't matter, I need to prevent this Akagi and Kaga and the Sirens from doing more damage"

"The new Azur Lane base is under attack by the Sirens!" cried Vestal.

"That's it. Vestal, bring Boboiboy to a safer place. I'll be heading straight for the newly constructed base and deal with the enemy," said Enterprise.

"Eh? But how about you, Ms. Enterprise?" asked Vestal, seeming concerned over her safety.

"That's not an important matter, Vestal. I need to handle the situation before it gets worse," said Enterprise.

"I'm going, too," said Boboiboy after he reverted to his original state, insisting Enterprise's will.

"Boboiboy, this attack only involves between us shipgirls and the Sirens. I don't want any harm come to you, especially because of your elemental powers that are beyond our comprehension," said Enterprise.

"But... Maybe I can help to turn the tide of the fight," said Boboiboy as he stared into Enterprise's eyes with a look full of hope.

Enterprise hesitated. On the one hand, of course, she knew that Boboiboy's offer to help was indeed generous. Yet, on the other hand, she knew that Boboiboy's presence might spark confusion and scepticism among them, as well as having him being targeted by the Sirens for his superhuman abilities.

She was in deep thought until Vestal tugged her black coat impatiently.

"Please, Ms. Enterprise. What he's saying was right. Perhaps with his elemental power ability, he can help to handle the situation with you," Vestal implored her.

Letting out a sigh, Enterprise finally agreed with Boboiboy.

"With one condition; only attack on my signal," said Enterprise.

"Okay. If that's what you're saying," said Boboiboy.

"With that, are we ready to depart?" asked Vestal, but received no reply from Enterprise as she went out heading to the navigating bridge, viewing the vast ocean.

Boboiboy somehow noticed that something wasn't well about Enterprise, judging by her expression.

"Err... Vestal. What's the matter with her?" asked Boboiboy.

Letting out a sigh, Vestal replied, "It's a long story... If I tell you about it, you'll feel sorry for her. She had gone through a lot, the easier way to say. With this sudden attack, the possibility for it to become a major battle is also high. Please be careful, you two,"

Then, Vestal leaves the two.

"So... when we'll be going?" asked Boboiboy, as a bald eagle landed on Enterprise's left arm.

That's when Boboiboy heard the voice of the mysterious female again.

"There is only one thing we can learn from the history. War never changes, regardless of era"

"Ah... that female voice again. It sounds familiar to me... I wonder if it..."

Boboiboy's thought was interrupted by the sound of the Douglas SBD Dauntless dive bombers taking off from the flight deck, plumes of smoke came out of the smokestack as the vessel started to move, much to Boboiboy's amazement.

"Hmm... judging by the design of those planes and their roundels, they look like the one in the museum. At the same time, no other person except Enterprise here on this aircraft carrier as she said that she was the carrier itself..."

With that, the aircraft carrier shipgirl, USS Enterprise CV-6, along with a mysterious boy named Boboiboy, set a course towards the newly constructed base of Azur Lane, which is now under heavy attack.