Hello! Welcome to my story well you know I had read that there are few Gundam build fighters and RWBY crossover fanfics so this is my first attempt doing so . The updates might slow but I'll do it for the sake of my hobby .

Disclaimer : I don't own anything except my OC\s

Prologue

From what I read,heard,watch on many source 'reincarnation' are popular in many aspects of stories that common to the culture and it's trends . In saying that when you died your soul will or would transfer to another body from a different realm,by a god, by a truck-kun smashing you and accidents could be happen every time with a strong will . Although , for me wasn't that a case . You wanna know why ?

'BECAUSE , A FRש¢ING GODDESS KILLED ME BY HER PRANK !'

"I AM VERY SORRY ! I DIDN'T WANT TO GET YOU KILLED !" A girl in body of 16 year old with a mind of a child female wearing some regal dress you might find in Roman era with golden trims and anicent signs , a crowned halo in her head her height is 5'7 , her hair is long light blonde reaching to her waist , her eyes are oceanic-blue , fair-skin and her body was well developed - anyway this goddess was too naive , bowing at me non-stop in different techniques . I sigh from her antics ' she was too adorable to get mad at , after all ' . Oh , right I haven't introduce myself , my name is Kazuma and no , I am not like the guy who get a skill just to steal woman's panties . I'm just 17 year old ,6'7 tall, scraggly raven-black haired , brown colored eyes , pale-brown skinned , wearing white under-shirt , navy-blue jeans and black rubber shoes . A typical everyday Gundam and Anime fan living on my own who just earning for the sake of the merchandise and model kits , until this happen inside of the limbo with a claim-to-be goddess couldn't stop apologize .

"Fine, fine, you have forgiven ." Raising my hand to make her stop standing straight up . "Re-really !?"she said there is still have tears in her eyes "...yeah" I replied on my monotone voice .

Then she suddenly hugged like a teddy bear given to a muscle man . 'gahh! She's fricking strong ! ' infernally and externally struggled to move . "Ca-can't -bre-breath" mentioning it she let go to let me gasp for air ."Sorry again !" She move back in few feet to give some distance .

"sigh , don't worry about name is Kazuma , so what your name ?" Recovering my composure to my stoic face but had some gentle smile . "Ah , of course ." Wiping her tears away put a cute smile that could rival in any anime girls but Komi-san is still number one on my list. Then she continued " My name is Ariabella or Aria for short , I am new goddess of souls. But, now I'm not ." She said dejectedly .

'She seem having a problem from after what she had done to me.' I thought . "Well, you see i became mortal like you and the other gods and goddesses had an agreement that I am contracted to be at your side including most my possessions, not all at least ." She'd explain avoiding my glance with a pink tint in her face.

Putting pieces the info she said then I said . " So, your stuck with me , additionally you can die same as a human could. How about your powers ?" I also question since she's a goddess they have some kinds godlike powers. Right? "Now you mention it , they also limit me from using my powers so there is still an advantage." She replied . 'So that means -!' my eyes widened in realization .

"You heard my thoughts earlier ?" Questioning her then she nodded with her face became crimson red from embarrassment . I sigh in fuss or embarrassment thinking out loud putting my one hand wiping down to my face then I continue "So , what we'll be doing now ?"

"Uhh...I don't know." she said confused to my statement . 'Huh , no plans. ' then it came to my mind from all fanfictions, canons and episodes I have read or watch there are type of this situation that might be able to change or choose their path but I for one has one thing had a idea . Looking at her with her confuse face , i stare her eyes that reminds me of some kind of a marble .

"That's it !" Exclaimed in my excitement which Aria startled at my sudden action. "What is it? Kazuma ."

"I have came to my idea but I'm gonna need your help . Have you heard 'gunpla battles or Gundams' ?" "Ehh? no ? We gods and goddesses not usually have no interest in human entertainment ." So she doesn't know at all , if I have only have some glasses I might act the glasses flash in animes . But still she doesn't know .

"Very well then , this came to my idea since I was curious if you can make me some kind of powers that can update , download and buy in my own former world , but not interact it's probably I'm dead there so , and also I could easily explain to you ." I said . "If that's the case well it might be hard but I could create some kind of an assistant or a terminal device , although . Do you have an idea for the vessel or some kind of vessel ?" She'd ask .

" I have one , and it's very compatible for a simple and complex vessel ." I answered . "Okay then " she approached me in a feet distance then raised her hand in front of me palm-up she continued "please , close your eyes then put your hand into mine palm raise and think the vessel of your choice to input it's functions, capabilities and materials . As i will chant with my power to activate it for you to materialize ." She instructed as i followed closing her eyes well . Thinking , an orb size of a basketball , a light-weight but durable metallic components , highly-advance technology that can be seen in it's canon or schematics and it's some upgrades , an highly advanced programming thankfully it can back it up with an smart A.I. and my programming skills that encode of self-learning and adaptability including it's functions and capabilities .

Then I heard her chant :

"From a the connection into ones soul ,

As we Ariabella and Kazuma bestow thee ,

Thy life or death .

To become one from thee summon .

As your creator we will give your birth thee has upon you ."

Then with that I felt my raised hand something quite heavy , we both open our eyes for to only see what I had in mind , a HARO model with a color yellow and it's small oval eyes are color blue . As it was activated the eyes were blinking and fluttering it side flaps every syllables it speaks ."Hello, Hello" it in female voice said this makes me happy especially we have our personal Haro it felt something like your happy to become a dad for the first birth of your child . As for Aria she was shock to say at least it was written all over her face .

"It's this some kind of golem ?" Aria ask questioned that seem to be this is her first time seeing a robot . " Yes technically , but actually no . You see this is one of the famous things were been in Gundam series , this is an Haro model a terminal companion and it can speak and understand human emotions . All we need to do is to name her ." As i place it in my arms between .

"That sound confusing, but quite understandable . Could we name her 'Alina' ?"she said for confirmation . "That name is fine to me ." I turn to Alina "Alina , that is your name from now on."

"Alina , Alina . Name registered , name registered ." " Now , Alina can you download many as you can about 'Gundams and gunpla battles' ? And please explain to Aria about it ." "Roger, roger "

I turn to Aria " Have you know about 'multiverse' ?" " Well, I heard some of my realm and in your world. So , I know pretty much about it ." She replied assured to her answer . Then Alina says " Download Complete , Download Complete ."

"That's fast , so i'm gonna explain about Gundam and gunpla battle - " then for a long hours of explaining and answering her questions with the help of Alina in history , series and etc. projecting the things that mention "- that's all you need to know ."

"So that's it , but why this ?" She ask , as my answer "It's because I'd like to share the fun and enjoyment in different dimensions . Also , my plan is to give some good experience in battles and building . So my plan to put some business ." With smile and pride in building gunpla models .

"In that case , we shall be going in the different world by now so we could put up our establishment ." She responded motioning to void stretching her arm to reveal a blue portal . I was shocked from what transpired in my eyes but it was might be normal in the rest of my new life .

"Are you sure that you where is this leading ?" "Of course , I don't know . It get less spontaneous , if I know ." As me , Alina in my arms and Aria at my side . 'So , I begin my new life to become isekai main protagonist . Sigh' we entered to the portal engulf us to a new journey .

Few months later ...

A group of eight people walking down in the hot-weekend afternoon streets of vale , why do they walking to the streets of Vale ? That's because they they were bored both team RWBY and JNPR .

"Seriously , you had push me around for us only to walk i need to study , but no you keep insisting going out " said by the grumbling Weiss in her white dre- combat dress glaring to her her red-hooded cape partner and leader of RWBY named Ruby .

"I already said i'm sorry ! But , we need some entertainment you know !" Responded enthusiastically for some group bonding experience .

"Could we just focus find something to do , I don't want to ruin my hair because of this heat " the sisterly blonde-bombshell name Yang following suit with her partner .

"Your always like that Yang , I only followed because of her orders ." the black secretly faunus smutty-book lover named Blake .

"Come on guys , as a fellow leader agreed to Ruby's decision , after all we need to prevent Nora trash and avoid property-damage in the school because of her boredom." Said by the adorkable brave blondie knight and the lease of JNPR named Jaune defending his fellow leader .

"It also a good idea for us to take some breather since the breach. " Continued by Jaune's partner , his secret admirer and the red-headed champion of mistral named Pyrrha .

"Oh come on fearless leader , I'm not doing something bad ! " Replied bubbly by the hammer powerhouse lightning girl name Nora .

"I highly doubt it ." Said by the stoic silent ninja named Ren , followed of agreement of others except Nora with a quick pout turned smile .

Continuing their walk Ruby stop with the others seeing an odd shop or a store named in robotic capitalize words saying GBSC . She was confused about the acronyms .

"Guys , have seen this shop before?" For only to receive with 'nope''nu-huh''no' from others.

"This new for me as well , seems to be have meaning " Blake said with agreement of others. Then , Nora perk up saying " Maybe it means, 'Guns & Blade Shop Company' " then with that Ruby uses her semblance straight to the said shop . Making her teammates groan of the leader's antics with the sigh of the other team except Nora who followed happily hopping and others follow lagging behind . For only it may be more than entertainment they might encounter and discover something out of remnants world .