{Story under heavy editting}
[I do not own HighSchool DxD and Kamen Riders. HighSchool DxD is owned by Ichiei Ishibumi and Kamen Riders own by Toei Company LTD. i only own by oc Kazuma/Hyoudou Ryusei]
A young man has been transported to DxD world af...
Killbas is now enraged because his plan has been foiled. "All of you will die by my own hand!!!!", shout Killbas.
"Come on, guys. One last round..", said Ryusei. All six riders ready their stance. "Graaaaaaah!!!". Killbas charge at them, as they charge toward him.
Ryusei first attack Killbas but the alien dodge as he kick Ryusei. Issei joins in as he kick Killbas as the alien flinch but Killbas slash Issei at the chest plate. Riser, using a fiery punches and kicks at Killbas, making the alien flinch again, dropping the two weapon that his wield but Killbas grab Riser head and stomp it on the ground. Azazel and Mad Rogue hold the alien back as Issei and Ryusei punch Killbas to the chest plate with Riser kick him in the end.
Killbas headbutt Azazel then elbowed Mad Rogue to the chest and kick him away. Killbas shout enrage as he punch Issei. Vali joins in from behind as he punch Killbas which made Killbus skid to the front but round house kick Vali but Vali manage to uppercut Killbas.
Ryusei punch Killbas to the gut which Killbas flinch but grab a hold Ryusei's hand and kick Ryusei to the face. Vali and Issei along with Riser kicks Killbas to the chest plate again which the alien flinch and skid back as then his spider arms come out from the back and crush them beneath the ground.
Azazel and Mad Rogue charge at him and punch him barragely again and again before Killbas use his red energy wave to make Azazel and Mad Rogue launches to the back and fall to the ground.
"I will not stop until i kill all of you here...", said Killbas, walking toward them. Ryusei struggle to stand up as he walk forward infront of his other kamen riders comrade.
"I will not let you destroy this world...not twice....", said Ryusei. His belt glow in gold and silver. His gold rabbit and silver fullbottles hover up from the holder along with his Full Essence Fullbottle.
Three fullbottles fuse into one, to create a new fullbottle. "This world will be in our care now, Killbas! You can get the hell out!!!", shout Ryusei, inserting the new fullbottle into his rider belt as he grab the crank and rotate it.
*Full Ex! Yeay!*
Killbas growl as he charge toward Ryusei.
*Are you ready?!*
Ryusei : Hell yeah I am....
*Full Ex!! Full Ex!! Full Ex!! Ye-Yeaay!!!*
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Ryusei now clad in black and red armor suit, as he grab the fist from Killbas.
"What?!", shout Killbas, as Ryusei punch the alien to the face, as it get sent few feet away. Ryusei uses Rabbit speed to catch up Killbas, punch him to the ground again before kicking him away to the air.
Ryusei rotate his rider belt crank. *EX-Rabbit!! Ready Go! EXceed Rabbit Finish!!*
Ryusei jump up to where Killbas are and kick him in multiple direction before he kick Killbas to the ground.
Both silver and blue dragon appear as Ryusei falling down toward Killbas as his fist charge with silver and blue energy. He punch Killbas to the torso, as it create a crater around Killbas.
Killbas : Damn it, this is not my end...I will not acknowledge this is my end!!!
Ryusei : Goodbye, Killbas...
*EX-Rabbit Side! EX-Dragon Side! All EX-Side! Ready Go! Full Exceed Finish!*
Gold rabbit and silver dragon run around Ryusei before he jumps up in the air. The gold rabbit and silver dragon push Ryusei toward Killbas.
Killbas : Saseruka!!!!!!
Four claw from Killbas back appear as the alien try to stop Ryusei rider kick mid-air.
The kick and the claw collide as both side try to overpower each other.
Ryusei, this is it....
What do you mean?
I'll convert myself as energy to overpower Killbas
How about you?!
I wouldn't exist anywhere, Ryusei. This is my repayment.
Katsuragi-san...
Goodbye, Ryusei
Katsuragi convert himself into red and blue energy for Ryusei to overpower Killbas.
Ryusei : Haaaaaaaa!!!!!!
The four claws broken to pieces as the kick hit Killbas.
The world has achieve peaceful life. Though, the answer that Ryusei search all along still unanswer. Who transported him here..? What are his purpose here? Only time we tell.
Issei now having a good time with his harem. Ryusei is however decide to venture on his own. This family, he is not part of it in the first place. Before he goes to adventure, Issei approach his 'Brother' one final time.
"Are you sure you don't want to stay?", ask Issei. "I'm afraid not, little bro. Thanks for being my brother", said Ryusei.
"Thank you too. being a brother to me....", said Issei. He then take out Ryuki Advent Deck and gave to Ryusei.
"Why give this to me?", ask Issei. "Good luck charm", said Issei. Ryusei laugh. "Well, I guess I can keep this", said Ryusei, as he unveil his motorbike.
"Is that from your school fee?", ask Issei. "Don't tell mom and dad", said Ryusei. Issei do the motion 'my lips are seal'.
Then they both see Ophis comes out from the portal.
"Will you ever coming back?", ask Ophis. "I don't know, Ophis. Maybe someday", said Ryusei, looking at Issei and Ophis, as he put on his helmet and start the engine then ride off to the sunset
