Biggest Mistake.

With the last goodbye between the group members, Kaguya, Misaka, Saitama, and Kazuma left this world.

Whitebeard was teleported by Palkia after he gave the coordinates on the map, and Leo went back to his mansion to grab his beasts and leave this world.

Kazuma appeared on the plains of Axel as he felt that journey was all dream, but the scream of the DIO sword woke him up to see the useless goddess.

"Huh? What happened to you?" Aqua wiped her eyes as she saw Kazuma's clothes changed in one second.

" I was in a journey to save the world..." Kazuma stared at the wide plains before he said in a manly voice " By destroying it in the process"

"Did the buffs affected your head or something?" Aqua tilted her head as she looked at her adventure card to check the effect of the buffs again.

"No, I'm fine... It just, I had a lot of challenges in this journey" Kazuma still talking with the manly voice while Aqua found nothing wrong in her skills.

"I fought terrible opponents, even the one called the Beater... Which is a very stupid nickname" Kazuma still remembers Kirito doll and the stupid nickname he heard from Leo.

"Beater? That sounds wrong... "Aqua felt something really happened to Kazuma, but all those ideas vanished when her instincts called.

"I'm starving, can we get something to eat?" Aqua put her hand on her stomach that was making sounds.

"Food?... Yeah, I need something to eat right now" Kazuma felt he need some food after all that action he had in Akame ga Kill world.

"Finally, this goddess can do something useful than staring at you doing nothing… I need some alcohol and..." Aqua raised her hand high in the air before walking back to Axel, but an indifferent voice stopped her.

"Aqua, did you forget something?" Kazuma smiled before he said " We've no money for food"

"Eh?... No way" Aqua lowered her hands in defeat but Kazuma said " Don't worry, we can just kill some monsters and get money easily"

"Really?" Aqua eyes sparkled before Kazuma nodded and said " Yeah, I bet this is a simple job for a goddess"

"Of course, it's an easy job for me... Just you wait to see the true strength of this goddess" Aqua was in full spirits and ready to attack any monster in her way.

"Yes, yes..." Kazuma nodded with the same calm smile before he walked away and said " You'll make a great bait"

"Yes! This goddess will make a great ba-... Eh?" Aqua stopped in her place as she noticed something wrong.

"Um, Kazuma... You were joking, right?" Aqua asked Kazuma, but he didn't look at her as he walked away.

"Kazuma, Kazuma-san... " Aqua lowered her hands as her expression froze slightly.

"Hi, I'm Kazuma…" Kazuma had a smile which made Aqua feel that the future isn't very bright.

Meanwhile, in To Aru world.

Misaka appeared inside her room as she sighed and felt a little empty from the inside. Looking at her usual room and the sleeping Kuroko, Misaka sighed before she lay down on her bed. But that didn't last long before she jumped from her bed.

"No way…" Misaka remembered something very important... She forgot her belongings in Leo's mansion.

{Please tell me Leo didn't blow up his mansion because he felt like it} With the last hope in her heart, Misaka logged into the Chat Room, but before she did anything. Misaka saw a notification sign.

Misaka breathed a sigh of relief after she saw that Leo sent her belongings by the Chat Room.

"Thank god... What?" Misaka grabbed her bag from the Chat Room but she saw a note on it.

The note said... Next time don't bring things from the Chat Room to your world, and if you want to travel, make sure you stop time in this world.

Ps: Your taste needs improvements.

Misaka felt the level of danger of her world is increasing very quickly, but she stopped at the last phrase.

"My taste..." Misaka opened her bag to see her underwear and shorts before she blushed like a tomato.

"Leo..." Misaka was like a volcano that was about to explode, but she misunderstood that Leo was talking about her taste in cuteness, which adds another misunderstanding to the group.

Misaka was almost exploding from shame while Kuroko didn't wake up because of all those electric shocks she took yesterday.

In One punch man world.

Saitama appeared in his world as he missed his calm world in which everything can just be punched away, but that vanished when he saw his broken apartment.

"....." Saitama stood in his apartment for a moment before he walked outside. He's planning to run and let the people blame monsters for damage.

Meanwhile, in Gensokyo.

Kaguya appeared in her room before she fell down on the sheets as she hugged Mudkip. She appreciated her home where she does nothing all day.

"Really, Akame ga Kill world sucks..." Kaguya felt the world civilization was backward and advance in a very weird way.

"Now... What to do?" Kaguya stared at her games and consoles as she was planning to pull a whole week of non-stop gaming, but she stopped at a certain computer screen. It was the Chat Room.

Kaguya remembered that she was using this computer as a Chat Room, and after the mission, it went back to the computer. However, this reminded Kaguya about the biggest boss in her life... Gacha.

Sweat was dropping from Kaguya forehead as she felt this Chat Room is very scary... In Kaguya's eyes, the whole screen was clouded in an evil aura of despair as it was whispering like a devil.

Kaguya took a deep breath before she asked the council about this problem.

[NEET Princess: I'm going to do it...]

[Annihilation Maker (Admin): Nooo!!! Stop right there!!]

[Advocate of Gender Equality: Are you crazy!!!]

Leo sent Misaka bag and recovered his beasts which are the mansion, Kuriboh, DIOchu, Food Wars Octopus, etc... But he stopped when he saw Kaguya's message.

Gacha is something that destroys the balance of the universe with the amount of salt it pours. Leo didn't want to experience Gacha again until he has at least 10 chances.

Kazuma was buying powers and skill points from the Chat Room as he saw the message which caused him to have the same reaction as Leo.

[NEET Princess: I'm already doomed, there's no turning back after you start... I hope that you guys to be fine after this]

[Advocate of Gender Equality: Don't make it sound like you're doing a noble sacrifice here !!! If you pulled the Gacha then we'll also pull because of curiosity!!!]

[Annihilation Maker (Admin): All that left will be an empty void in our souls, STOP!!]

[NEET Princess: There's no turning back!!!]

When the degenerate trio was having a debate about the Gacha, Whitebeard arrived at the coast city and met with Wave. After everyone ignored the flying ship like they ignored that Whitebeard doesn't have a beard, Wave listened to the explanation and the offer to be Whitebeard's son.

"I... I have to refuse, old man" Wave thought for a while before he gave his answer.

Honestly, Wave was very skeptical about the different worlds thing, but even if he believed in Whitebeard. He can't just turn his back on his friends and crew here and just leave.

"I see..." Whitebeard nodded at Wave before walking away. He isn't the time to offer things twice, and this is Wave choice.

"WHAT ARE YOU DOING YOU, IDIOT??!!" Suddenly, a group of sailors appeared behind Wave.

"You guys..." Wave was surprised by his friends to appear here.

"Didn't you say that you want to explore the sea, so why are you hesitating?!" Wave friends know about Wave love for the sea and his dreams.

"And what about your justice?!" Another sailor knew about wave losing his Teigu and after looking at Whitebeard strength without a Teigu. They thought Wave has a chance to achieve what they never dreamed of.

The sailors didn't give Wave any chance before they pushed him toward Whitebeard ship. Wave had a wry smile on his face as he didn't know what to do in this situation.

"Hm?..." Whitebeard watched this scene with a smile before he said " So, what is your choice?"

"I...*Sigh*" Wave looked at his friend before he stared at Whitebeard seriously and said " I agreed to be one of your crew and your son"

Whitebeard smiled before he jumped to his ship and signaled Wave to follow him.

Wave climbed the Ship as he was waving towards his friends before the ship raised from the ground and flew away from the town.

Staring at his town for a while, Wave waved one last time before he looked at Whitebeard sitting on the chair. He didn't want to ask about how this ship is flying, but he had a very important question.

"Old man, what is your crew?" Wave asked a question that made Whitebeard grin before he said " Pirates"

"... Excuse me?" Wave stopped in his place for a moment before he raised his head and saw the pirate flag he ignored because the ship can fly.

"...." Wave felt the future is bleak while Whitebeard was laughing before they disappeared from this world.

While Wave and Whitebeard left the world, Leo and Kazuma failed to stop Kaguya that was using the Gacha now.

[ Gacha... Special worlds edition...Something useful for you... Rate Up!!!]

Kaguya stared at the Gacha screen as she regretted it already. But she can't go back now.

Taking a deep breath, Kaguya pushed the screen and started the Gacha. The screen bloomed with different colors and rotated, which gave dizziness to Kaguya.

After a while, the screen stopped, and a book appeared in Kaguya's hands.

"What is this?" Kaguya stared at the book before trying to open it, but it didn't open or even moved an inch.

"Hm?" Kaguya frowned at the book before a message arrived from the Chat Room.

[ Congratulation on using Gacha and getting the Universal Martial arts and techniques Book]

[ Universal Martial arts and techniques Book:

Description: A Book made by the world power that can give it user any Martial arts or techniques he/she wishes for as long as it exists with some limitations.

Usage: Wish for the Martial art and open the book.

Limitations: The Martial arts or techniques have to be something a normal human can learn, and it doesn't need some special conditions.

Ps: Learn something useful, you filthy casual]

"Huh?" Kaguya stared at the book and especially the last note before she almost throws the book out the window. The world is actually telling her that she sucks and needs to learn something else!.

This book can only be used to learn some basics for Kaguya. Like the Big Dipper God Fist from Hokuto Renkitōza or the Breathing Styles from Demon Slayer, which is something Kaguya doesn't like.

As a full mage, Kaguya doesn't like to be involved in close combat, and stopping time with a lot of attacks is her ideal combat, so this is basically useless.

"Can I sell this?" Kaguya put her hand on her chin before putting the Book on the Chat Room screen as several options like sending appeared, but she chooses to sell.

[ Abilities and items from the Chat Room can't be sold, but it can be put in the store, so the other members can buy it]

Kaguya nodded before she chooses the store option.

[ Universal Martial arts Book price is 20000 to 100000 points... Pick your price]

"Hmmm..." Kaguya felt this system need to be optimized before she put the book as 30000. She doesn't really care about small points now because her abilities and powers need hundreds of millions to upgrade, and she feels that someone might like this. Maybe someone will find it useful than throwing it out the window.

After finishing the preparations, Kaguya put the book for sale and looked at the Chat Room messages.

[Advocate of Gender Equality: DAMN IT ALL!!!!]

[Annihilation Maker (Admin): You brought evil to this land!! Are you satisfied?!]

[NEET Princess: I'm satisfied, but this emptiness can only be filled by games]

[Advocate of Gender Equality: What's this book, anyway? Universal Book? This is useful, but can't you make the price lower?]

[NEET Princess: The price limit was 20000 which you can't afford]

"*Sigh*..." Kazuma sighed again while Aqua was being chased by the devil king avatars... Frogs that even a god can't defeat. However, someone has the same idea as him.

[Annihilation Maker (Admin) brought the Universal Martial arts and techniques Book for 30000 points]

In the base location, Leo was standing there while holding a book as his face had an evil grin.

[Advocate of Gender Equality: Leo!! That was my breathing Style!!]

[NEET Princess: Is that thing really valuable or you just want another cool ability?]

[Annihilation Maker (Admin): Of course, I need something cool and strong! Breath of the sun will be very useful to me]

Kazuma and Kaguya nodded as they thought Leo is creating another beast, but they were wrong.

[Annihilation Maker (Admin): FOOOOOOOOLS!!! Do you really think I'll waste this on that breath? Remember our passion!! ]

[NEET Princess: Passion? You mean, Jojo's? Oh, so it's Hamon, but isn't that the same sun and breathing?]

[Advocate of Gender Equality: You'll hit people with sunlight power punches?]

[Annihilation Maker (Admin): No, Hamon is sun and life power which will have some connection with Gold Experience, so it's useful]

Kaguya and Kazuma sighed as they felt Leo is really thinking about things, but they underestimated the madness levels.

[Annihilation Maker (Admin): Again, why do you guys limit your vision this much?! Always go for the things that destroy dimensions at minimal]

"Dimensions?... WAIT NO!!" Kaguya stood up as she stared at the computer screen in panic.

[NEET Princess: No, Leo!! Think about this!!]

[Advocate of Gender Equality: Leo, it doesn't have to be like this...]

Kazuma was in the same panic state as he ignored Aqua's screams for help.

[Annihilation Maker (Admin): There's no turning back!!]

"Now..." Leo stared at the book before he thought of a technique he wants and opened the book. The book opened easily as it glowed with numerous light spots that rushed to Leo.

[Annihilation Maker (Admin) used the Universal Martial arts and techniques book and got... The Spin from Jojo's]

"...No" Kaguya dropped her hands weakly as she saw a message arrive at this moment.

[Annihilation Maker (Admin): You spin me right round, baby~ Right round~ Like a golden ratio~ Right round~~...]

Kaguya felt she did one of the biggest mistakes in her life.