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One Punch Isekai Man

Just when Saitama was doled out enough points to become S Rank he wakes up in another world full of monsters, magic, and kings. How will he adjust in this new world? Disclaimer: I don't own One Punch Man just own both seasons and came up with this unorthodox fanfiction idea. Disclaimer - the cover art doesn't belong to me, found it in Pinterest , and credit goes to owner .

The_Fictional_Sema · Cómic
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44 Chs

37

O(I)O(I)

Genos didn't just tell Saitama about Tatsumaki's uninhibited agenda; he went to Fubuki and asked for her help trying to stop her sister. His scanners told him she was going to an abandoned factory.

Fubuki went straight over there with two new but impeccable heroes: Sabir and Lancia. Sabir was able to use fire while Lancia had ice powers. There was another hero she asked for help—reconnaissance with his voice in her earset. She was told how her sister was flying to an abandoned building while keeping a tanned girl closeby in an aura of her levitation. She made it to the factory before her; had to use some help from another hero.

And then—she arrived glaring straight into her sisters' eyes before landing.

"I don't need to be a mind reader to know your here to try and stop me. Make it easier on yourself and come with me, Fubuki. We can fix the turmoil and punish the oppressors together."

"Don't confuse being a hero with inserting your own edict into other peoples' lives."

"I gave you a chance but as always you never listen to me."

Both sisters stared prolongly at each other before a strong roar of fire and ice ignited in the sky. Fubuki encoated them in her psychic field, and with a whish of her hands simultaneously she caused them to erupt towards her older sister. An innovative new way to use her powers but all the older sister had to do was hold out her arms as a giant pyramidal of rock came up absorbing the fire and ice.

Fubuki focused on the midsection of both beams severing them apart before moving them in a more perpendicular direction towards her sister. Tatsumaki handled the onslaught by growing two more towers of rock to defend herself. She was now covered, surrounded by a mountain of rock all around her.

Fubuki quickly manipulated the fire to roil towards the small opening where it molted inside covering it up. Tatsumaki was now trapped inside a nonactive volcano of rock from her own psychic powers.

"Team 2, move in She won't be trapped for-"

The volcano was covered in Tatsumaki's green glow. As Fubuki tilted her head slightly up she saw Tatsumaki floating among the clouds never inside the volcano to begin with.

And now—she was moving the volcano down right towards one of her team. It was when the volcano looked like it was about to collide into a building did one of the superheroes leap towards it.

He was a male in his twenties, had messy black hair, wore a quilted gray jacket and his eyes were pure crimson. He managed to take out the volcano, but not as easily as Saitama could've. First a purple gust of wind made his clothes shake, his eyes turned completely red, and his teeth became more akin to a feral beast. This transformation wouldn't make him strong enough to destroy the volcano.

Fubuki managed to make vibrations on the impact of his fist with the volcano causing it to crack before it crumbled into a pile of rubble. His strength sapped him of most of his energy—so much, so he passed out even when falling towards the solid ground. He was fortunately saved by none other than Fubuki herself. While she was lowering him to safety, Tatsumaki's head start to steam red like a hot tomato before she showed everyone her fangs and her loud lashing out.

"OPEN YOUR FUCKING EYES! Maybe take a good sniff of the danger out there. We are at war with God himself and if even ten percent of the people in there are as strong as that guy who could transfer spells into slimes, we could actually win against him!"

Tatsumaki waited for someone to agree with her, but everyone just continued to observe her while Fubuki helped the novice hero get to safety.

She pondered her next move. 'I can go out, but not in a city. I have my reputation as a hero to think about.'

An idea fringed in her hair like the rolls of hair sticking out of her head. She closed her eyes; her psychic powers letting her see everyone below in pink infrared. What she was about to do next wasn't easy, it wasn't easy using her powers the first time after Blast saved her, but she knew it was necessary to try.

Fubuki below stared in horror at her sister looking to be in a zen state. She's never seen her look so peaceful in a fight before. It frightened her.

"Everyone who can shot to the stars hit my sister right now!"

Fubuki immediately used her powers to launch a few rocks the size of her sister's head in a psychic onslaught. She was followed by everyone else shooting fire, launching an icicle spear, controlling air to create a tornado heading towards her, even creating a chain of lightning zapping towards her.

In most fights this would be the flurry in unison that could change the tide, however, Tatsumaki countered it making people vanish.

Fubuki couldn't even open her mouth before vanishing with the rest of her team.

And then—the sight of Atomic Samurai's home appeared in front of her eyes. She and everyone else were teleported around the greatest hero swordsman home while they were eclipsed by something in the sky.

"We are fucked!" The voice of Sapir yelled out.

And there it was hurtling towards them from space...a meteor.

Tatsumaki—the crazy chick she was—would go to any lengths to win even if it was using a meteor.

"We are dead...dead...so very, very f*** dead." Lanice panicked.

"We got to get out of here before we are all extinct like dinos." Sapir suggested.

They all started to flee from the scene like rabbits escaping from predators. However, Fubuki rose in the air until she was flying above them like a valkyrie taking them to Valhalla.

"Please don't leave. If we run every time my sister gets mad and threatens you, what do we do if she makes good on her threats. You may not be at her level but letting her belittle you how you can't catch up is her main power, so let's deliver back everything we can muster."

Fubuki invigorated by her own speech used her psychic powers completely tracing green light all over the meteor. Her unfettered use of her powers wasn't doing anything to slow or break away the meteor. However, the heroes still around felt empowered by Fubuki's speech and her willingness to stand up against certain cataclysm.

"She's right. We worked too hard as hero's to just give up now."

"Yeah! Let's show that tsun-dwarf why we won't allow her to walk all over us!"

In a spectacular display of teamwork, fire, ice, wind, lightning, and long needle projectiles launched out at the woods into the mesosphere the meteor was in.

Every second they exerted this energy was life or death to most of the heroes while it was hard but not as deadly to Fubuki. Tatsumaki not having to use her powers for more than flying watched her sister like she was an ant. Something stirred inside her before her olfactory bulbs exploded with knowledge

'Fubuki...you're an empath. You get your strength from people's emotions.'

Now that she had some idea of her, she could continue to watch the fruitless effort of all the heroes as the lightning hero charge was dwindling before disappearing.

The meteor was coming in a lot faster to the ground about to squash everyone below if she allowed it.

Suddenly, a beam of fire the size of a tower roared from the ground and shot through the rock. The two sides crumbled before black specks appeared and exploded before everyone's eyes.

Tatsumaki's eyes flitted to the ground below she assumed the (word) was fired from. To her chagrin the cog-brained cyborg who got into S class from doing the hero test was here and he was armed with some kind of weapon; two gigantic RPG cylinders wit hnearly a hundred tubes of silver conjoined to look like a gatling gun in a SCI-FI movie.

After staring at the falling chunks of rock and black smoke above he turned his attention to Tatsumaki herself. He looked enraged to see her, probably remembering how she made him look like a macabre piece of art so feasibly on their first encounter—he did better the last time, maybe he was hoping he could win this time.

Sure enough, fire ignited from his metallic calves launching him heavenwards towards the flying Tatsumai. She retaliated trapping him in a psychic hold.

"You never learn do you, cog bra-"

Suddenly, Genos managed to break out from her hold continuing his launch towards her. Before Tatsumaki could whish another one of her hands he shin—kicked her right in her abdomen ending her back and showing a little of her white underwear as well.

While she staggered he grabbed grasping his arm around her neck, but with her subconscious she manifested a barrier to protect her and her neck. While Genos pummeled his robotic arms trying to break the wall, Tatsumaki tried getting her throat working again.

Once she hucked a little spittle hitting her barrier. She held her arms together and let her powers weight Genos to the ground.

'Even if he can fly my psychic hold will keep him-'

She lost her train of thought watching him breakout of her psychic field. He was unfettered and given time to launch fire from his boots flying towards her.

She looked down seeing Fubuki still standing where she was before arms crossed and eyes closed emanating a green energy, she radiated to reach Genos.

'I can't get anywhere with this cog brain until I take care of my sister.'

Tatsumaki without any second thoughts moved her arms in small circles before descending lower until she was almost on top of Genos like a cat falling from a tree towards its owner. She got to take a deep breath before Genos metal skull headbutt her right in her chin.

Tatsumaki opened her eyes expecting to be falling over a thousand feet in the air. Where she was in a room that had store light and a shelf clustered with different flowers.