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Now on to the new chapter..

While Natsu is tracking down Mavis, Zeira was still on cloud nine as she was being carried bridal style by Natsu. She felt like a princess that just got rescued by her strong handsome knight from a dragon infested castle that was located inside an active volcano.

"Nee-sama, Are you really okay that I let Shini finished off those 12 shields of yours?" Natsu asked while walking slowly and enjoying the scenery. He really loved walking in a forest. It's quiet and peaceful.

"Hmm.. I really don't care Natsu.." Zeira moaned as she snuggled deeper in his chest. "What's the point of having a member of my shield who under estimates their enemy... I really envy you because you kept finding all these strong mages and get them to like you.."

Natsu looked down and saw her sister frowned, He really don't want to see her frown like that. "Nee-chan"

"Hmm?"

"Can you do me a favor?" Natsu asked Zeira who opened one eye to look at him. "What is it?"

He scratched the back of his head and smiled "I was gonna pick up the girl but.. Can you take care of her? Teach her magic, Teach her how to lead and stuff? Maybe she can be part of your shield someday. She can even surpass you if her potentials are all fully unlocked."

Zeira was shocked about the girl's potential and about her brother's offer.

"N-Natsu.. I really don't mind if you keep finding strong mages It's just that-" She was silenced when she felt Natsu's finger pressed to her lip. 'Why does it have to be a finger Natsu?!😢' She cried mentally.

"Enough talking, so Yes or No?" He smiled at her and Zeira blushed at that

"A-Anything for my outoto.." she said sheepishly.

Natsu laughed softly at her "Sometimes I think you spoil me too much". He stopped walking when they heard something rustling.

A blone girl emerged from the bushes and she's carrying a black haired girl on her back. Finally her tiny legs gave in and collapsed on the ground.

"H-Help her please.." Mavis said before blacking out

Tartaros

Seilah was resting on her comfy couch at the main Library while reading a book. This book is special as she bought it from Konomi last week. If any of the girls she support the most to be the second wife for Natsu, It was Konomi. Of course she will be the first wife.

She glanced at the door and saw a blonde passing through.

"Soma-kun!" She called out to soma who stopped walking and looked at her.

"Yes?"

"Have you seen master?" She asked while she set up the bookmark for the book she was reading.

"He's at the infirmary-" Soma stopped talking when Seilah rushed out of the room in pure speed.

"Ara Ara. Master's really popular to the girls" Soma smiled and continued walking to his room.

Infirmary

Natsu was looking at the girl while he sat on a chair next to the bed. He won't lie but he found the girl really cute and so is the little girl lying on the next bed. But he won't admit that he's Lolicon. No sir.

Suddenly the door burst open with an extremley worried yet angry Seilah on the door.

"MASTEEER?! ARE YOU HURT? WHO DAREd..touch.. Your..." Seilah blinked as she saw her master fine and unscratched.

"Seilah, please lower your voice. We have guests that are resting."

Seilah quickly bowed down to apologize "I'm sorry Natsu-sama! I thought that you were injured! I was just really worried about you.."

Natsu smiled at Seilah. He got up from his seat and walked towards her. Seilah felt someone rubbing the top of her head with affection and making her moan a bit. She looked up and saw Natsu with a smile on his face. Her face suddenly heat up as Natsu kept petting her hair.

"Don't worry so much Seilah.. No one in earthland can harm me!" He jabbed his thumb to his chest.

"How about Konomi? I remembered that the only bone that was not broken in your body was your toe.. and that was because you peeked on her while she's taking a bath." She deadpanned

Natsu blushed in embarassment "T-That was an accident-"

"Or when Alisa cut off your limbs..."

"It grew back!"

"Or when Ensou's black hole sucked you and spat you out with 80% of your bones are destroyed.."

"It's not that bad in there-"

"Or when Soma crushed every bone in your body into powder with just a snap of his fingers.."

"Hey! I was caught off guard-"

"Or when Shini tried to reap your soul and you almost died there for real, baka!"

"We worked it out in the end.." Natsu sheepishly said.

"How about when Kumi trapped you inside Earthland's core?!"

"I'm immune to fire-"

"Or when Ciel cast every offensive spell she knew on you?!"

Ciel was a born wizard and she had a total of 1345 offensive spells.. ouch.

"Geez.. alright alright I get it." Natsu laughed weakly "Thank you for worrying about me so much Seilah.."

Natsu gave Seilah a hug "I apreciate it." Seilah broke the hug and quickly got up from the floor.

"I-I Need t-to rest master.." Seilah said while rubbing her thighs together. 'I-I need to re-release..'

"Alright. I'll see you later."

She suddenly took off in a blinding speed. Natsu went back to his seat and wait for kumi to bring in the medicine.

After a couple of minutes later, An orange haired girl entered the room, holding a couple of bottles in her hands.

"Master!~ I brought the medijuice you asked for." Kumi placed the bottles down to a table.

"Thank you Kumi" Natsu thanked the cheery girl "How's the project that I asked you to make?"

The Tartaros' engineer/scientist pouted and puffed her cheeks "She's almost done.. Why does she needs to be a girl?" She complained.

"Now that's your fault, remember?" Natsu reminded Kumi making her puff her cheeks.

"It's not my fault that the cells are only compatible for the female gender.."

"Can I see her?"

Laboratory, Tartaros

Kumi and Natsu walked inside the lab. Kumi's lab was very futuristic and filled with her work in progress inventions. At the center was a glass cylinder filled with light green liquid. Inside it, was a girl. Her long hair that reached to her waist, Her hair was white as snow and was done in hime cut. Natsu ignored the fact that she was naked and focused on her face.

"Meet Project Athena. A demon made in pure etherion like you. She can absorb magic and use it as her own. She can also transform into anything and into anyone, good for infiltration missions, I also gave her the Absolute Demise curse like you asked me to." She announced.

There are seven major curses in Natsu's hand and one of them is the absolute demise. Itgrants its wielder the power of Ice. It can also cause an Ice age if the wielder is strong enough.

The sister curse of absolute demise was given to Alisa. The Incinerate Anthem. She has the same effects of a dragon slayer. Immune to fire spell and can eat fire to restore her magic. But can Incinerate everything she wants and turn the largest city into a huge pile of ashes.

The third one was given to Ciel. The Zenith Tempest. The Zenith Tempest has the ability to control the weather and elemental attributes that exist in nature (fire, wind, lightning, water, earth and ice), as such, it's even possible to create artificial clouds in places where there is no sky. If Ciel beat Natsu before she got her curse, She can now fight Natsu on his full power but has only a 20% chance of winning.

The fourth curse was given to Konomi. The Gods Destruction. The most powerful curse in the world. It triples the raw power and spells of the wielder when used. It also grant the wielder the power of destruction and a burst mode. When in burst mode, The wielder's power will exceed to the limit of his or her body can take. But it was never used or tested beofre as it was very dangerous and has a high chance to kill the wielder.

Konomi, manhandled Natsu even when He is using his full power. That's how strong Konomi is when she's dead serious and at that time, she doesn't have the curse yet. It's safe to say that Konomi is stronger than him and Natsu can vouch to that.

Why she decided to follow him was a mystery to all. She and Natsu only knows the true reason about that.

The last three was still unused and Natsu was saving it for someone who is compatible to wield it.

"She's beautiful.." Natsu said unconsciously as he walked towards her to get a better look. "Good job Kumi."

Kumi grumbled in jealousy "Mou~ This is why I hate her for being a girl.." Kumi quickly run and hug Natsu from behind, making the demon stopped from his tracks.

"K-Kumi?!" Natsu was surprised by the sudden interaction and his eyes widened when he felt two soft things touched his back.

"I need a reward master.." Kumi said while tightening her hug.

"W-What kind of rewar-" He was cut off when Kumi released him from the hug and forcefully spun him around to face her. She quickly stood on her toes and cupped Natsu's cheek, giving him a soft yet gentle kiss.

After seconds, she broke the kiss and smiled at Natsu. "Thanks for the reward master!~" The happy go lucky girl said while blushing "I'll be working harder from now on to receive more similar rewards!"

She pushed Natsu out of her lab. "I'll finish her so I don't need any distractions!~ Love you master!~"

The door shut closed in his face. Natsu was still in shock. Ever since his sister started working at alakitasia, The girls seems to be bolder than before.

Thinking about it, that was his second time being kissed on the lips.

Shaking his thoughts away, He needs to go back to the infirmary and check on the girls.

Infirmary

Mavis fluttered her eyes open and rubbed the sleep off her eyes. She looked around and the place was really unfamiliar to her, but she knows that it was an infirmary or something because of the tools and medicines around the room. She saw her friend lying on the bed next to hers and it seems that she's still asleep.

Mavis smiled at her friend knowing that she's alright. The door opened making her look at her visitor. She saw the same pink haired man that she saw on the foret before passing out.

"Are you the one who saved us?" Mavis asked Natsu who just nodded and gave her a smile.

"Yes, both of you are really strong for a couple of brats." He teased the girl causing her to glare at him and pouted.

"Hey, drink this." Natsu grabbed one of the bottles that was on the table and handed it to her.

Mavis sat up from her bed and accepted the bottle. She hesitated at first but decided to trust the man and drinked the unknown elixir inside the bottle.

Her eyes widened and quickly chugged the liquid inside the bottle. 'D-D-Delicious!.. What kind of potion is this?!'

"I assumed that you haven't tasted orange juice in your life?" He asked the girl who shook her head, still chugging the orange juice from the large bottle.

"So, Mavis, right?"

Mavis stopped drinking the bottle "How did you know my name?"

"A friend told me that he saw you walking at the forest while crying." Natsu sat on the bed

"Gi ma-san?" She asked Natsu and he nodded. "Mavis... Do you want to learn magic?" He asked with a grin.

Mavis nod her head furiously "Yes please! Can you teach Zera magic too?" She asked excitedly.

That surprised him. Will he gave knowledge of magic to a one that has no potential at all? Looking at the girl who's eyes started to get big and shiny, that made her even look more cuter.

"Please! Natsu-san!"

Natsu sighed, maybe if he declined, Mavis will reject his offer just to be with her friend. "All right, but she's going to recieve a different training."

Mavis tilted her head "Why?"

"Because I'll personally train her.". That mavis confused "Then who will teach me?"

Natsu smiled and ruffled her hair affectionately "With onee-sama. You'll be going for a trip so you two won't be seeing each other for a long time."

"B-But, will we see each other again?" Mavis was scared. Will she leave her friend just for the knowledge of magic?.

"Of course! And don't worry. I'll take good care of her." Natsu smiled at the little girl.

Mavis quickly hugged Natsu and started crying. "Thank you.." she whispered to Natsu.

The door opened and a white haired girl. Ciel saw Natsu comforting the little girl and blushed when she thought on how greater Natsu will be as a father to their children.

"Natsu-sama." She bowed her head slightly . "A fleet of 150 ships has been spotted at the north of the Island."

Natsu cast a sleeping spell on Mavis and gently tuck her in to bed.

"Pirates?" He asked her. Ciel shook her head "Rune Knights of Ishgar."

"I see. Ciel call Gima and tell him to take care of the problem. After that, please stay here and watch these two for me."

"Hai."

Natau smiled at her. Ciel was a very different girl when he first met her. She spent a childhood following strict orders and was taught that rules were more important over matters. Due to this strict upbringing, she was unable to develop her social ability and found it hard to respond in normal conversations. After their one sided battle, She asked Natsu to be her first friend. Soon she developed feelings to the demon.

"I'll take my leave. Please call me when one of them wakes up." He teleported to his throne using a magic circle.

"I wonder where's Onee-chan.." He said out loud. After putting the two girls to the infirmary, She excused herself as she was gonna do something.

Laboratory

Kumi wiped the bead of sweat on her brow as she was typing furiously at the keyboard.

"Aaaand Done!" Kumi pressed the enter key hard.

The white haired girl in the tube opened her Icy blue eyes. The green liquid slowly drained until it was gone. The cylinder glass opened and the girl fell on the floor as her muscles aren't used to her weight yet.

"Welcome to the world. As your creator, I want you to protect and obey Natsu-sama." Kumi said as she brought a towel and covered the girl.

"..Na..Natsu..sama.."

Tenrou

Gima stood at a cliff in the northern side of the island. At the horizon, he saw the ships approaching the Island.

He raised both of his arms and aimed it at the location of the ships. "..Black.. Hole.."

A black hole appeared above the fleet and it sucked the ships inside it. The cries of men stopped as the black hole disappeared in the sky in a bright flash of light.

Tartaros, Prison.

Tartaros wasn't just a base but it is also a prison. It held the most strongest and dangerous creatures and Artifacts inside.

At the max security prison, Just below the throne, was the prison for the four great dragon kings.

There is a total of five cages inside the max security prison. On the left was the fire dragon king and the water dragon queen. On the right side was the iron dragon king and the sky dragon queen.

And lastly i ln the middle was the most dangerous prisoner in the world.

An orb.

Zeira was confused. She excused herself to her outoto just to see this prisoner. Her brother's exact words are 'Don't go near it. I almost died fighting it, even with my full power.'

She slowly walked towards it and was stopped by a deep voice.

"If it isn't the black wizard.."

"Fire dragon king, Igneel.. I want information about that orb." She demanded.

Igneel laughed "How about you walk towards it and find out?"

"I'm not an idiot, Lizard." She turned around and walked away.

The orb generated an image of Zeira inside it. The orb glowed and it morphed into a humanoid shape.

When the light died down, A girl that looks exactly like Zeira but has white hair, Blue eyes and caramel skin, appeared. All in all, she's the complete opposite of Zeira. Even in the chest area..

"I'm not an idiot, Lizard.." She repeated to make sure that she sounded like the black wizard.

The girl smirked evilly "I have a body again.. I shall have my revenge..Natsu Dragneel.."

Omake

Seilah was running towards her Master's room te relieve herself. She opened the door slowly and saw someone already on his bed moving and moaning.

"Mhmm~ Outoto~ I love you so much~"

Her eyes widened when she recognized Zeira's voice. 'D-Damn it!' She got no choice as she really need to release and Zeira doing it too was not helping. Seilah slowly reached down to her already wet flower and started rubbing it. She tried not to moan loudly as she fondled her breast and pinch her nipple using her other hand.

Zeira was doing the same thing as she sprayed her juice on Natsu's bed the third time now and she was about to cum again.

"Natsu!~"

"Natsu!~"

They both shouted as they climaxed at the same time. Natsu teleported inside the room via magic circle. He noticed the two girls in the room. Natsu looked at his bed and saw Zeira, her legs opened wide letting him see her soaking wet pussy.

He then looked at his door and saw Seila on the floor, twitching because of her orgasm. Her left breast is exposed and her right hand is still fingering her pussy.

A drip of blood from his nose turned into an open faucet thus losing more blood.

A thud was heard and both quickly looked at the scource of the sound and saw Natsu unconscious on the floor with a perverted grin on his face and was pale as a ghost

"NATSUU!"

End!

I used the sacred gear names from highschool dxd. Except for the Gods destruction. I made that one up.

So yeah, I needed a new super villain and created 'Nero Zeira'. She will be stronger than Konomi and Zeira combined.

I'll be buffing Mavis here

I also found a way to bring mira earlier in the story and thank you for the Ideas that you guys gave me.

I guess I'll be doing a small timeskip next chapter. Once again, I love you guys! Please follow, favorite and REVIEW! :D

Ja ne!