3rd person pov

Y/n: (mind)A-Are those things versions of Orihime?! This is getting more insane by the minute.

Rias: Be careful Y/n!

One of the Orihime monsters fired a cero at Y/n causing  him to jump to the side. Another flew at Y/n making him crush it with his hammer. 

Y/n:Looks like this party is only gonna get crazier..

Y/n watched another charging towards Orihime who  smashed it into a wall. Y/n went to go and attack another until, Grimmjow bursted at him with a kick. Being sent flying back Y/n cursed to himself.

Grimmjow:*smirks* Come on don't tell me this is all you can do L/n? I want you to show me the strength that our "Master" is concerned about!

  Grimmjow went to bash Y/n in the face with his ball and Chain, only for Y/n  to block with his hammer. While that happened Rias is seen blasting away a group of the monsters.

Rias: W-WE  NEED TO HELP Y/N!

Xenovia  hardened on of her bandages then slashed down  2 monsters.

Xenovia: BUT HOW WE CAN'T AFFORD TO LET THESE MONSTERS BREAK THROUGH OUR GUARD!

Akeno: XENOVIA IS RIGHT THEY'LL TEAR APART THE HALLOWEEN SOCIETY IF WE DO!

Gin: Ah they sure are smart ain't they?

Kuroka: That they are but it's not like they'll be able to make a dent  in them.

Back at their base a certain scientist is seen by a woman's side.

Mayuri: These beast are of my own invention not some half baked failures. Heh...Each batch we create will only make them more resilient to the last's form of death.

Nel: Mass producing them using souls is easy for me. With our teamwork we''ll all be able to crush them.

Mayuri: This is all we need to win this war! They'll regret trying to oppose us for so long.

Back in the battle  Uryu is seen  jumping at Gin with a arrow. Gin still smiling blocked it with a horde of bats.

Gin: My that was close huh?

Uryu: Gin  Ichimaru this time you won't escape from us!

Gin: Oho that's a awfully bold thing to declare right now.

Koneko flew at Gin with a punch only for Kuroka to block her blow. Kuroka sent Koneko back then  jumped after her. 

Kuroka: Shirone my darling sister why don't you come give your big sis a hug?

Koneko: Don't call me Shirone you traitor.

Koneko  sent  a Boulder at Kuroka causing her to blast it away. 

Kuroka: Alright then "Koneko" why must you make things so difficult? All i've done is join the wining side.

Koneko: You won't be saying that soon.

Kuroka  blocked a punch from Koneko causing a crater to form under them.

Kuroka: Sister do you really think Y/n alone can turn the tide of this war? 

Koneko: *nods* Yeah Y/n helped us once before and we know he can do it again.

Kuroka dodged Koneko's next punch then kicked her back with a smile.

Kuroka: Aw poor sister you don't know the truth do you?

Koneko: What do you mean the truth?

Kuroka: Why if it wasn't for Y/n this war wouldn't even be happening.

Koneko: What are you talking about?

(Back with Uryu)

 Uryu  was seen flying to the ground while Gin followed up with another attack. Ryuken appeared infront of the boy then blocked Gin with a glare.

Gin: Oh how scary a monster hunter defending his monster son?

Ryuken: This alliance for the betterment of both sides of this world.

Gin jumped into the sky then fired a laser making Uryu blast it away. Standing up once more Uryu stared at Ryuken then took a deep breath.

Uryu: I didn't need your help but thank you anyways.

Ryuken: Gratitude from you now that is what is truly scary here.

Uryu: Be q-quiet!

Isshin: Man you know Ryuken you really need to try and step up as a dad. You don't you son becoming a Sasuke  Uchiha clone do ya?

Ryuken: And I suppose your daughters are better off Kurosaki?

Isshin: You got that right my little girls are doing well.

Ryuken: From a goof like you I find that hard to believe.

Isshin; HEY NOW WHAT'S THAT SUPPOSED TO MEAN?!

Gin:(mind) Am I being ignored or did they just forget about me?

(With Y/n)

Y/n roared as he punched Grimmjow in the stomach, to be met with the same from him.  Y/n stumbled for a second then kicked Grimmjow's jaw.

Y/n: Your master make a bad move thinking I wouldn't have grown since last time!

 Using his hammer Y/n  knocked Grimmjow into the air  causing him to growl.

Grimmjow: Don't think it's over yet L/n!

Spinning his body around Grimmjow smashed his chain into the ground which made Y/n jump back.

Y/n;(mind) This one has more power than the other version back in that Cowboy world. I can't afford to waste time!

Grimmjow swung  his fist at Y/n until someone blasted the Espada.

???: Looks like we made it just in time huh?

Y/n: You sure did Irina, thanks for the help.

Irina: Wait how do you know my name?

Y/n: I'm married to you and the others back in my original world. 

Irina: Woah really that's sounds like it's really cool! So how am I back there huh?

Y/n: More or less the same i'd say but just a angel.

???: HEY IRINA  FOCUS ON THE ENEMY AHEAD OF US!

Irina; Oh come on Ravel we still have some time before he recovers. Why don't we just enjoy this while we can?  Aren't you the least bit curious about how your counterparts are  like?

Ravel: Well..Maybe a little but still!

Y/n:(mind) No matter the world they can be goofballs....wait or is that because the Shounen effects?  I mean this whole thing is amounted to a Shounen/harem anime fusion.

Irina: It's not like it'll hurt to ask about it right?

Ravel: I guess-

???: I know I wanna know!

Y/n: Serafall well-

Before Y/n could finish Grimmjow bursted into the air then yelled in anger.

Grimmjow: DON'T YOU BASTARDS IGNORE ME OR I'LL RIP YOU APART!

Y/n: Guess that'll all have to wait until this fight is over.

Timeskip brought to you by these

3rd person pov

Back in Y/n's  world Ikumi is seen arriving at the party alongside Yasaka and Kunou. Walking through the house Rias went towards Y/n's bedroom. 

Rias: Y/n honey it's me Rias are you in there?

Hearing no response Rias went inside then looked around.

Rias:(mind) Y/n is nowhere to be seen? Where exactly is that man?

Rias sighed then turned to see a old scrapbook laying on his bed. Curious by it Rias went over then opened it seeing it was full of pictures of everyone.

Rias:*smiles* I remember alot of these moments. It's still hard to  take in that these were taken within 6 years.

Turning through the book Rias went through memory lane with a giggle.

Rias;(mind) We went from being a pawn and master to Husband and Wife.

While she continued on she found the Halloween party photos;seeing some of Y/n's past costumes.

Rias:(mind) That the first time I had a glimpse of what Y/n looked like with long hair. I still remember he drove the other school girls crazy,

Rias: (mind) That was from the same year I was brainwashed into betraying him. Even if that year brings back bad memories Y/n's smile makes me forget it all.

While Rias looked through the pictures she suddenly heard a faint voice echoing through the room. Standing up Rias look around seeing nothing.

Rias: Who are you?   Whoever you are I demand you show yourself in the name of both the Gremory and L/n households!

When Rias felt a strange energy behind her she turned around;only to instantly black out.

(Back with Y/n)

Serafall: Y/n you go on ahead and take care of their king.

Y/n: Sure you all can handle things here?

Irina: Of course we can don't worry about us.

Ravel: The Phenex house isn't to taken lightly you know?

Nodding Y/n ran off to find his Hollow half and end the war for good. Grimmjow scoffed then cracked his knuckles with a glare.

Grimmjow: Fine then I'll kill you then go after him myself.

Ravel: I wouldn't go writing us off so soon.

While they flew at  Grimmjow The Witch Rias was seen with a part of her dress damaged.

Rias: T-They just keep on coming. It's like there is no end to them.

 As the monsters flew at Rias she watched in surprise as they were blasted away.

???: My Oh my the Rias the Crimson Witch is having some trouble?

Rias: B-But what are you doing here

Mother?!

Venelana: Oh my dear Rias my injuries are all healed up; so are the others aswell. What mother would I be if I let my daughter's handsome lover die in a war he was forced in?~

Rias:*blushes* M-MOTHER IT'S NOT LIKE THAT! Besides his heart already belong to his own Rias back home.

Venelana; I see now well let's hope for his sake my counterpart isn't as bad as me hehe~

Rias: W-What is that supposed to mean?

Venelana: You'll find out one day hehe~

Akeno: RIAS LOOK OUT!

Rias saw a blast being formed by Ulquiorra causing the  others to  counter the blast. 

Ulquiorra: Venelana of the Witch Gremory house...I shall be the one who fights you.

Venelana: Rias honey go help Y/n out; I can handle this.

Rias: But mother-

Venelana: You know you won't forgive yourself if he dies fighting the King.

Yoruichi: Don't worry Soifon and I will help her out.

The Witch Rias looked down knowing her mom was right.  Nodding Rias and the others rushed off on their brooms. Speeding off  they met back up with Y/n at his Hollow's castle. 

Rias: I can feel his power rising.. I-It's almost suffocating. 

Y/n: I know what you mean...if you want to back down now I won't blame you. If i'm truly the one to blame; it's only right I end this fight myself.

Rias: Even if that's the case I can't abandon you after you came this far.

Akeno: She's right no matter what we owe you this.

Asia: Y-you've been risking everything for us. E-Even knowing we aren't the ones from your own world.

Xenovia: It's only right that we help make sure you get back home to them safe.

Roseweisse: Our lives are yours Y/n no matter what.

Y/n smiled when he suddenly felt his body changing. Taken by surprise Y/n saw his body turn back to a soul reaper.

Y/n:W-What the hell is going on? Why am I a soul Reaper again?

Rias: Oh no don't tell me! Y-Y/N IF YOUR BODY HAS CHANGED THAT MUST MEAN SOMEONE FROM YOUR WORLD WAS DRAGGED HERE TOO!

Y/n: WHAT-

Feeling a familiar energy inside the castle Y/n ran inside with the others.  After everyone made it the the hollow's throne room the Witch Rias's eyes widened.

Y/n: RIAS HOLD ON!!!!!

(A/n: So there isn't any confusion with other universes The Rias of this stories main universe will be called NOP For of course No Ones Pawn. )

Rias (NOP): Y-Y/N W-WHAT'S GOING ON?!

Hollow Y/n: About time you finally made it king. I was so bored I was thinking of having some fun with her until ya came.

Y/n: You bastard...

Rias(Witch): (Mind) So that's Y/n's own Rias...

 Y/n raised his arm then transformed  with a glare at his Hollow.

Y/n: Let her go Now you son of a bitch. You wanna end this shit then let's do this.

Hollow Y/n: *smirks* HA ALRIGHT THEN SO BE IT I'VE BEEN LOOKING FORWARD TO THIS!

Y/n watched his Hollow raise it's arms before it laughed;with a spiral of Spirit energy. When the spiral vanished Y/n's hollow stood smirking while licking it's lips.

Hollow Y/n:  LET'S END THIS DANCE ALREADY AND CROWN THE REAL KING!

To be continued