Hey there, I see that a lot of people love the idea of Luffy fighting Tiamat. She doesn't appear much in the light novel, so I decided to make her appear very soon. I don't know who should be the next big woman Luffy should mee, I am thinking either Aphrodite or Gabriel, neither of them deserve to go to Issei. Here we will see Luffy go full Gear 4 with the Dragon Goddess, now lets go!
In Tiamat Domain
The Dragon Godess could tell that her adversary was strong, she was feeling pain. Something she hasn't felt in a long time.
''Urgh! He is strong so I need to be careful.'' Thought her.
''Gomu Gomu no Kong Gun!'' Scream Luffy hitting Tiamat again but this time it was on the face.
Boom
The dragoness was pushed back, and she felt a lot pain, this was beyond insanity. Who was this guy.
''He is strong, fast and has an aura beyond anything? Is he a God or what?" Asked her.
The Dragoness decided to get a little tougher, she open her wings and declared with a mighty roar.
''Do you wish to kill me?!'' Scream her.
''No, I am just going to beat you because you threaten my friends! This I can't allow it.'' Said Luffy.
''I see, someone who values friends more than treasurers. This is rare these days.'' Said Tiamat.
The two soon prepared for new attacks, Tiamat flied to try to snatch Luffy with her jaws but Luffy was fast thanks to the elasticity speed.
''Gomu Gomu no leo bazooka!'' Scream Luffy hitting Tiamat on the stomach.
''Argh!' Scream her in intense pain, that one even cracked some bones.
CRACK
Luffy saw Tiamat be pushed back, but she wasn't done. Like Kaido she was tough.
''She is not going down. Well at least she is strong.'' Thought Luffy with as mirk.
''ROAR!''
The Dragoness was starting to get tired of this kid, she wanted to finish him before he caused some kind of ruckus or trouble around her domain.
''I am not going to be humiliated by a rubber brat! I am going to eat you like a piece of gum!'' Scream her.
The dragoness chased down Luffy, however she wasn't in a good place that she could fly around for much longer. Despite that she could still capture him.
''Uh! He is very cunning, I need to do something or else I will be in serious trouble.'' Thoguht her.
Tiamat looked to see an opening, Luffy was bouncing back on the ground like a ball.
''I´ve never seen a power like this. He must be some weird Buddhist god or something.'' Thought her.
She then saw that Luffy was starting to make enough room to attack again, she decided to go full charge towards him. This way she could tear him to shreds.
''He is not going to win this time. I am a supreme being, I will be not mocked by a creature like him.'' Thought her.
The Dragoness open her wings and charged at Luffy with full speed, she instated to eat him with one gulp and end his life with no trouble.
''I can't keep him alive! He needs to be stopped!'' Thought her.
She then saw Luffy smirking at her, he then prepared his legs and was ready for the next attack.
''Uh?" Asked her confused.
''Gomu Gomu no Rhino Schneirder!'' Scream him hitting the dragoness right in the nose and even breaking a few of her teeth. The first time in over centuries that someone had managed to severely injured Tiamat.
BOOM
The dragoness didn't wanted to admit but that hurt, she didn't understood where that strength came from and how come she has never seen this kid before. How did Rias Gremory found him?
''Argh! My mouth!'' Scream Tiamat
Tiamat could even feel a few of her bones being broken, her wings were still fine, but she didn't understood how come this was possible.
Crack
''Dammit! What is he?" Thought her.
Luffy saw that Tiamat was on the ground and having difficult time getting back up, he thought this was the right time to finish it.
''You´re still up?! Ok, we can continue to fight!' Scream him.
''Wait!'' Scream her.
''Uh?" Asked Luffy.
''I will leave you alone if you swear that you´re not going to steal anything from me!'' Said her growling annoyed, she almost felt like she was begging.
''I am not going to steal your treasure. I don't care for this.'' Said him.
''Then let me heal myself and we can talk. Is that ok for you?" Asked Tiamat.
The dragoness thought that Luffy would be offended and try to attack her, she could try slash him with her claws or do something. However, Luffy gave a sincere answer like he always.
''Ok! Do you want any help?" Said him.
''That simple!'' Thought her.
Luffy soon disactivated Gear 4 and went to check on Tiamat, the Dragoness was shocked to see that he was back to regular form, he could´ve been killed any time now.
''What! You disactivated your power! Why?" Asked her.
''You´re hurt and we made a truce, it wouldn't be fair for me to attack you when you´re down. What kind person would I be?" Asked him.
''I am impressed, so young and yet so honorable.'' Said Tiamat.
Soon Tiamat went back to her ´´human looking form´´, which was more like a hybrid form. She had her long hair, horns, and breasts size 98 cm. She was like a hot Milf with red skin and some scales.
''Wow! I didn't know you´re a devil fruit user, I thought you were a real dragon.'' Said Luffy.
''Devil fruit?'' Asked her.
''Oh yeah, you must have a devil fruit like Kaido.'' Said Luffy.
The Dragon Goddess just looked at Luffy confused, wondering what was he talking about.
''I am not a ´´devil fruit´´ user, I am Tiamat and I am a dragon Goddess. What about you? Are you a god?'' Asked her.
''No I am human.'' Said him all simple.
''A human!'' Scream her.
''Yes. Why does everyone keep shouting when I say that?" Asked him.
The Dragon Godess looked at Luffy a little closer and she could feel a powerful aura emitting from him, one that could even surpass the likes of Ddraig and Albion. That was making her feel…a little hot.
''Tell me do you have a mate?" Asked him.
''I guess not, why?" Asked him.
Tiamat kept staring at Luffy as she was putting some healing magic on herself, she was seeing him as if he was a work of art.
''His powers are beyond anything I have ever seen. It's like a demigod or pretty closed to one. If he is strong like this on the battlefield so in bed…aaaaah.'' Thought her now going in a horny started.
She even started moaning just fantasizing what a powerful individual like Luffy could do in bed. His strength alone could be enough to make this whole place shake.
''Are you ok?" Asked Luffy.
''Yes, I am just thinking of some things.'' Said her.
Luffy looked confused at her, then his stomach begin to grumble.
''Would like to eat something?" Asked her.
''Yes!' Scream Luffy.
Later
Luffy was in Tiamat chambers where she was giving him a buffet worth of food, the dragon Goddess just watch in odd as the Straw Hat pirate eats everything with no problem and wanted more.
''Such an appetite.'' Said her.
''I love food, specially meat!" Said Luffy eating a lot.
''I see that.'' Said Tiamat going near Luffy.
''Uh what´s wrong?" Asked him
''Would mind if we speak?" Askd her.
''I don't mind that.'' Said him.
''Well, I would like to make a proposal to you.'' Said her.
''What is it?' Asked him.
''I would like for you to be my future mate.'' Said her.
Luffy of course what was that, he was so oblivious to this situation even though Tiamat was making horny faces that could make Akeno have a run for her money.
''I don't know what this that mean?" Asked him.
''I would like to have my eggs with you. Someone of your power is too much for me not to wanted it, I want to have my offspring be as powerful as you.'' Said her.
''Oh you said something about eggs?'' Asked Luffy thinking that mating had something to do with eating eggs.
''Yes, we would have eggs together.'' Said her.
''Ok! I will be your mate!'' Said Luffy.
Tiamat just blush at that, she couldn't wait for the first night.
''Great, but first I want to make sure one thing.'' Said her grabbing a document near her bed.
''What is it?" Asked Luffy seeing that piece of paper.
''Sign this.'' Said her.
''Ok.'' Said Luffy not bothering to read.
Luffy was singing a contract that said that he was obligated to mate with Tiamat and give her at least one offspring. In a sense it was a marriage license.
''You´re want to do this?" Asked Tiamat.
''Yes! Let's have the eggs.'' Said Luffy excited.
Tiamat just smiled at that, she hasn't got laid in centuries. Her last mate died from old illness, so she wanted to start mating now.
''Monkey D. Luffy, this will be the name of the father of my future children.'' Thought her.
She started to strip down as she kept a sly smile on her face.
''Listen I have free time today so why don't we….'' Said her all excited when an alarm went off in her domain.
Boom Boom
''Uh? What is that?' Asked Luffy.
''Its my alarm, something is wrong with the realm I patrol.'' Said her.
''What does that mean?" Asked Luffy.
''I need to work.'' Said her.
'What! But working is boring.'' Said Luffy annoyed.
''It's not my work, it's my job as a Dragon Goddess. If I let others down, then I will be letting myself down too.'' Said her.
''Oh, I get it. You need to make sure that the people you care are ok.'' Said Luffy.
''Yes, glad that you understood.'' Said her.
''Wow! You´re super cool, uh…what´s your name?" Asked Luffy
''The name is Tiamat, I thought I had introduced myself.'' Said her.
''My bad, I keep forgetting to ask people that.'' Said Luffy with a check smile.
The dragoness just smile at that, maybe this kid wasn't so bad. She couldn't wait for the mating season to begin.
''I need to go, if not more creatures will die.'' Said her.
''Ok, I need to go too. My friends are probably worried about me.'' Said him.
''Before we part ways I need to do something.'' Said her.
''Uh?" Asked Luffy.
Tiamat grabbed luffy by the shirt and kissed him hard. Pretty much shoving her entire tongue on his throat, making Luffy feel a bit weird out but for the Dragoness she was loving every minute of it.
''Why did you do that?" Asked Luffy taking deep breaths.
''Because I wanted a little bit of our taste until our next meeting. I hope to get more next time.'' Said her.
''I don't mind that, but at least warn me or something.'' Said Luffy.
Tiamat made a magic circle to transport Luffy, sending him back to the Familiar Forest.
''We will meet again Luffy, I hope to see you then.'' Said her.
''Ok, I hope to see you again Tiamat, if you want we can fight again.'' Said Luffy excited.
''Oh that would be wonderful.'' Said her.
''Bye!'' Said Luffy.
The dragoness transported Luffy out of her domain, sending him back to the familiar forest. She then started to smile, thinking like a woman who just had fall in love.
''I found my future mate. He is a bit naïve but strong than most beings in this world. Our children will be great kings and queen of their eras.'' Thought her.
She then transformed into her full dragon mode and went to the realm that was under attack.
At one of the many realms.
Some rebellious dragons were attacking some poor villagers. They demanded Gold and other valuables, their greedy needs lead them to destroy the life of many innocent people.
''Bring to us all your gold! Your life's depend on it.'' Said the dragons.
''No! It's our only way of living, please have mercy on us!" Scream a villager.
''You all have chosen death by flames!'' Scream the dragon that was soon shut down.
''What is going on here!' Scream Tiamat pissed.
The villagers were glad to see the Dragoness, she was the project of this realm and would bring punishment to those dragons.
''Tiamat!'' Scream the dragons.
''You all interrupted me during a crucial time! You´re all going to face my wrath!'' Scream her.
''Please great Tiamat, forgive us and….'' Scream the dragon begging but it was too late.
ROOOOOOOOOAR
The dragon was turned to ash by her attack, the people cheer as the monsters were either killed or fly away in fear. Tiamat looked at the pile of garbage that was in front of her as she crushes what remained of that violent creature.
''I am not in a good mood, you interrupted my chance of matting! Do you know how stressful this is?' Asked her.
She started to think about Luffy and how passionate and hard their first night would be. She couldn't stop to think about that.
''I wonder if my children will have that Godley aura that he posses.'' Thought her.
With Luffy.
Luffy was back at the familiar forest, he hoped that everyone didn't catch their familiars while he was busy with Tiamat. His clothes were a bit torned, but nothing serious compared to the adventure he had with Kunou and Athena.
''I hope they haven't found their familiar, I want to name them!'' Said Luffy excited.
With the ORC.
''I wonder where Luffy-kun is.'' Said Asia.
'I guess he is still chasing the beetle.'' Said Lucy.
''I hope he doesn't go too far; this forest is the territory of a powerful deity.'' Said Rias.
''Oh really?" Asked Issei.
''Yes, we better be careful or else we could be in big trouble.'' Said Rias.
''So this mean we need to keep the pervert here on the line. Who knows what he might do.'' Said Lucy with a smirk.
''Thank you Lucy, I can feel the love in the air.'' Said Issei feeling down.
''You don't have the best reputation. Don't make us feel sympathy out of the blue.'' Said Koneko.
''We should find a good familiar for you three in any moment.'' Said Kiba.
''Ara Ara this is so excited, it reminds me when I chose my familiar.'' Said Akeno.
As the group kept Looking for a good creature, Issei was still pissed that the creepy man tried to pass down that abomination to him.
''Man, i want a great familiar. One powerful and sexy. That would be a great combo!'' Thoguht him.
As Issei kept walking, he saw something moving in the bush, he thought it was a rat or something small, but it turned out to be a little goo.
''Is that a slime?'' Thought Issei.
This is for now. Luffy fought Tiamat and he won her respect; she even made him sign a contract saying he is obligated to give her kids. Knowing Luffy he will probably doing with no trouble, I mean the guy never backs down from a contract or a promise.
I didn't went with Tiamat becoming Luffy familiar because this was already a plot in someone else story, I wanted to do something different. I felt this wouldn't make much sense, because the familiar stuff is not even that big in the canon of the story, sometimes I even forget they have familiar. Remembered DXD is a junk food story, it could have potential, but the author tossed that to the side in favor of service and girls falling in love out of nowhere.
Next chapter is the rest of the familiar forest, which means the creatures and then the slime. Don't worry, Luffy will help out to defeat that thing. After that we will get to the Riser arc, and we will have a good time there. I know some of you are annoyed that it took time to get there, but hey at least you will have a long read before the end of season 1. At least I made sure of that.
Thnak you all and have a great time. Also, I wanted to include more fan service moments with Tiamat, but I felt that it would be too much, so we are fine with this.
