(Y/n) and his dad(saitama) are fighting a monster suddenly the monster grabs and throws him in a blakish portal saitama was to late to help him and (y/n) got teleported in the DxD dimension and fall at certain alleyway.
(Y/n) POV
(Y/n):whats this place?this doesn't look my city.
Rias Pov
Rias:what? a strong energy suddenly appeard from nowhere.
Rias:Koneko go there with Akeno
Koneko/Akeno:Hai
Koneko and Akeno Pov
Akeno:(We arrived and saw a young boy also what a cutie btw)
(Y/n) Pov
(Y/n):(i feel someone or something is looking at me then is saw a Woman with black wings)
Woman:hello young man i'm Raynare
Can you do me a favor?(Y/n):sure what favor is it?
She spoke at his ear saying "can you die for me?" Lil(y/n) took a step back from Raynare she summoned a spear and throw it at (y/n) then he dodged and dodged till he gets a little pissed of and dissapeard and reapered at Raynare's back she has no time to react at her funeral then (y/n) punc her with 1.0% of his strength Raynare explode all of her organs are raining from the sky.
Akeno and Koneko Pov
Akeno:nani??!!
Koneko:he is stronger than me and faster than kiba.
(Y/n) noticed them he walk to them they are shaking like jelly then (y/n) spoke with a smile "can you help me i'm from another dimension please help me please" he fainted from sudden change of enciroment then they took him and telled everything too Rias
TIME SKIP (y/n) Pov
(Y/n) woke up and see he is lying in a couch then saw a beutiful woman with crimson hair.
Lady crimson:hello (y/n) i'm Rias Gremory *introduces everyone* mind explaining?
(Y/n):sure i'm y/n saitama *explains* do you mind if i stay here and help me get me to my world?
Rias:sure... let me explain my world.
(Y/n):yes pls. Rias had a slight blush and also koneko,Akeno
Rias:*explains the war of the three races*
(Y/n):suugoiiii😮. Btw maam can you help me?😊
Rias:call me Rias 😊. I can call my brother and ask if he can.
(Y/n) thanks Rias
Suddenly a circle appears and a man with crimson hair and a maid with a white hair came out of the circle.
Man:hello what do you call me here Rias?the man said
Rias:brother Sirechs pls help my friend here return to his dimension
Sirechs: looks at y/n"im sorry little dude none of us can do that dimension changing thing" he said with a sad tone
(Y/n): oh ok i will just wake up from this nightmare aaannnddd any time i will wake up annndddd shet its true. y/n started to tear up while Rias is comforting y/n
Sirechs:Rias how about you put him in your peerage .
(Y/n):what is peerage? With a confused face.
Rias:*explains* so you want to be my rook y/n?
(Y/n): sure you have tried to put me back to my world.
Rias holded a rook and chants and you are now a demon.
Rias:let your training begin tommorow
(Y/n):HAI!
(Hello sorry for the wrong spelling and i also forget that i do not own highschool dxd or one punch man just a fanfic for fun ^_^ :) good luck be safe
Bay bay) first story with no experience hihi
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One Punch Boy Highschool DxD Xreadershota
FantasyA lil boy got sent into the dxd dimension Wonder what will happen huhu (First story ^_^)