Since This Is a First Ever Ninja Gaiden and Young Justice crossover and this will be an OC the son of Ryu Hayabusa's Son Raiza and for a paring I'm not sure yet I'll think while I'm writing it hope you all like.
Lets Begin.
1 year before
Hayabusa Village, Japan
The Ninja and his son Raiza stood with is arms crossed.
"Call me Ishigami." the Agent said.
"Ministry of Defense," Ryu Hayabusa spoke with his back turned. "External Affairs?"
"A special agency within the Ministry," Ishigami said. "Think of us like your ninja."
"And...?" the Ninja's Son responded.
"She will provide you with the details." the Agent replied.
"Mizuki McCloud," the Woman introduced herself. "Japan Air Self-Defense Force Special Security Unit, Flight Officer First Class." she bows and continues. " Yesterday an unknown group launched a terrorist attack in London." She plays a small video on the laptop. "They've taken control of the area around the Prime Minister's residence." The video showed the terrorist shoot and killing random civilians.
"So why us? What do you need me and my sons help for?" Ryu says turning around.
"Oh no. We don't need your help." Ishigami snorted. "You need ours. Mizuki show them the video."
"This was just sent to us by the Government." Mizuki said. The next video played a man tied up getting kicked and a couple of clips showing Ryu and Raiza killing multiple ninjas.
"Bring us Ryu and Raza Hayabusa! Bring us Ryu and Raiza Hayabusa!
"It's you and your son they want," Ishigami puts his cup down. "Ryu and Raiza Hayabusa." Ryu looks up.
XXX
Ryu and his Son stood on top of the London clock tower in their gear (Raiza has the same costume as Ryu white costume in dead or alive).
"Hayabusa, can you hear me?" Mizuki spoke through the com.
"Yeah, go ahead." the Ninja responded.
"All civilians have been evacuated." Mizuki said. "Any armed soldiers down there are fair game."
"The hostages are in the Prime Minister's residences, right?" Ryu Hayabusa asked.
"Yes. I'll monitor the situation and guide you two from the air." she said. "Be careful the both of you."
"Aw look whos worried about you father." Raiza joked.
"Lets just focus on the situation." Ryu replied to his son. "You should be careful as well you are still young."
"Yeah Yeah I know and I'm 17 dad." Raiza spoke annoyed.
"But your still my son." Ryu said.
"I'll go the other way." the young Ninja said. As Ryu jump and falcon dived down to a soldier, then grabbed his head flipped over him and impaled him in the back with his sword then proceed on.
Raiza followed the same action his did. "Raiza I'll meet you at the Minister residences so don't delay." Ryu said through the com.
"Rodger that." Raiza responded.
(Time Skip)
"Get out of there!" Mizuki panicked as the spider tank fired missiles at the and they both slid under a falling pillar, then they ran into a ally and wall jumped to get on top of a building and they walked across the crosswalk. As Ryu killed an unsuspected guard, Raza dived off the roof killing multiple guards along with Ryu then, the Ninja charges up his ki and a dragon formed scooping up their enemies, then exploding blowing everyone to bits. "Wish I could do that." Raiza mumbles but his father hears him and smirks. They gotten over the truck Raza sees an on coming rocket he dodges it by a millisecond. A friendly helicopter flew above them firing it's miniguns at the terrorist and it created smoke around the area. "We out! Now it's up to you, Ninja!" the Pilot said flying away from the scene.
"We're going into the smoke remember your training." Ryu whispers and who Raiza nods. When they were killing off many of the terrorist, the ground shook as the spider tank they seen earlier catches them off guard.
XXX
Present Day
Mount Justice
"Team I have a mission for you." Batman spoke getting the teams attention as he show a picture of Raiza Hayabusa.
"What is the mission for and who's that guy?" Kid Flash asked looking at the picture with interest.
"I'm sure some of you all know the Ninja Ryu Hayabusa is? Batman said pulling up another picture of the Legendary Ninja.
"Yea doesn't he work with the league part-time like you?" Robin asked his mentor/father.
"Yes he does," Batman continues. "This is his son Raiza Hayabusa but you three already knew that." He gestured to Robin, Aqualad, and Kid Flash.
"So what's the objective of the mission Batman?" Aqualad asked curios of the well-known Ninja throughout the Justice League.
"This is more of a recruitment then a mission." Batman points out. "I want you to go to Hayabusa Village, Japan to recruit him."
"When do you want us to start." Artemis says sounding a little to happy with this mission.
"You go their in two days because right now he's on mission with is father." Batman said.
"So is finally gonna join the team." Wally says.
"I think Wally here has man crush." Superboy jokes making everyone chuckle except Batman.
"Well then I'll leave you to it." Batman said leaving.
XXX
Ryu and Raiza returns back to the village after one of their missions, as they were walking someone jumps from behind a rock. Ryu caught the sword as a young boy no older than 11 falls to the ground.
"Aw man I almost had you that time." the young child pouted.
"Don't worry you'll get there Sunji." Raiza says ruffling his hair. "And if it makes you feel any better I tried pulling that same trick on him years ago."
"So when are we gonna start training Raiza." Sonji asked his big brother figure.
"We'll start tomorrow how's that sound." Raiza said smiling at the young boy.
"Really! Alright!" Sunji cheered.
"I remember training you not too long ago." Ryu said with in amusement.
"That was a few years ago." Raiza shot back.
"But you still have a lot to learn." Ryu said heading to their home. "Are you still going on patrol tonight?"
"Yeah I but I'm gonna stop by burger spot downtown." Raiza said.
"Okay don't stay out to late." the Ninja says. "You know Canna will angry that her older step-brother not there."
"Yeah I know I'll buy her a milkshake on the way back home and tell Mizuki she doesn't have to worry to much about me." Raiza says going the other way.
"You could call her mom." Ryu said.
"Yea I know it's that I so use to calling her Mizuki." Raiza shrugged a bit.
Raiza left for downtown to do his nightly patrol.
In the Bio-Ship
"So anyone knows how to find this ninja guy?" Superboy asked.
"From what Batman told us he stays in Japan and is a vigilant like us." Kaldur said.
"Is wrong if I think he's cute?" Zatanna says with a dreamy look.
"I'm with you on that one." Artemis says with the same look.
"Hey." Robin and Kid Flash yelled.
As the bio-ship was sitting in camouflage, they see a white figure jumping from building to building.
"Well there goes our guy lets go." Miss Martian says opening up the hatch with everyone else following after her.
When Raiza was done with his patrol, he sitting on the roof with his mask off drinking a milkshake and his feet dangling off the roof, he had already notice someone following him earlier but he wanted to mess with him or her which didn't matter to him.
"You can come out now I knew you were watching me the whole time." Raiza said not bother turning around and tossing his empty cup.
"How did you know?" Miss Martian says reappearing as everyone started coming out of their hiding spots.
"I notice the moment I seen a yellow streak." the Ninja points out. "And plus I'm that good."
"Listen we just came to-" Robin was cut off. "Let me guess Bats want me to join his team of young heroes." Raiza smirks with his eyes closed making the girls blush.
"Yes." Boy Wonder said.
"But why me of all people?" Raiza says opening eyes showing he had neon red eyes.
"'Oh come on how long has it been since we team up." Robin trying to convenes his old friend.
"That was a team up Rob." Raiza said annoyed. "And you should know of all people I'm not a team player."
"Superboy wasn't." Robin smirks gesturing to Conner who grunts. "Dude come on you would make a good addition to the team."
Sigh. "Fine I'll do it." Raiza mumbles but everyone hears him and smiles. "Let me call my father tell him I'm gonna be home late... Man he's gonna kill me."
Mount Justice
When the Team plus Raiza exits out the ship, they where greeted by Batman along with Batgirl.
"Raiza welcome to the cave I assume it wasn't a problem finding you." Batman said.
"Yeah it wasn't a problem except they need better help on their stealth skills that's for sure." Raiza joked then glanced at Batgirl. "Oh and I see you brought the blind one you."
"Nice to see you to Rosa." Batgirl shot back smirking at the nickname she gave him long ago making everyone laugh besides Batman.
The Dark Knight cleared his throat getting everyone's attention. "So have you decided yet?" He asked.
"Yeah I'll give it try and I will also have to tell my father." Raiza said.
"Welcome to the Team Raiza." Batman said with a rare smile turning to leave.
"You just made him smile." Batgirl says in shock, "I never got him to do that."
"What I'm likeable." Raiza smirked earning a punch in the arm.
"Funny." Barbara doing that cute cringed she always does. "And you never told me or Robin after you came back from Hong Kong."
"Yeah you never told us that." Robin said. "And what was going on that no one in the league heard from Ryu for almost a year."
Sigh. "fine I'll tell you all might want to sit down for this." the Ninja as everyone sat down in a sit and he got to telling everyone
Flashback
"Get out off their Hayabusa! Regroup!" Mizuki spoke frantically.
"No. We can take this thing down." Ryu said with determination.
The spider tank aims it's laser at Raiza and shot a rocket at him who sidesteps it letting go pass, Ryu uses it's distraction to his advantage and impales his sword into the back of it's leg, then slices it off.
"With just a Sword... Amazing." Mizuki says in awe.
'Someone has a crush." Raiza teased in the middle of battle.
"Not the time Raiza focus!" Ryu yelled at his son antics. Raiza does the same using both of his swords taking another one of it's legs out. The Tank fires it's minigun at the young ninja who deflects the bullets with his swords. Ryu takes out the last of it's legs then both him and Raiza dash from under it, they both jump high up in the air and brings their swords to the exposed generator makin it explode.
Present
"Woah seriously!" Wally says in awe.
"That's not even the worse of it," Raiza continues. "And I know you guys watch the news right?" Everyone nods getting into it.
"And what was that thing you guys were fighting it was huge." Batgirl said.
"Oh that thing that possess my little sister yeah it's called the Goddess." Raiza said.
"Since when did you have a little sister?" Dick had confused cause is friend never had a sister.
"Ever since my father married Mizuki." Raiza shrugged.
"Seriously?" Barbara says a little amused.
"Yes not let me finish you bat." Raiza retorted.
"Hey! "Batgirl defended with a hand on her hip.
"As I was saying before I was rudely interrupted." Raiza glared at Batgirl who stuck her tongue out at him as he continued. "The Goddess was something a terrorist group created ."
"Who was the terrorist group leader?" Aqualad asked a little intrigued.
"He was called Masked Man." Raiza says in a bored tone. "I know a super lame name for a villain."
"Yeah no kidding." Kid Flash laughed.
"And I think he was British." the Ninja added. "Okay I don't continue this no more."
"What oh come on." Batgirl whined.
"Aw don't be party-pooper." Zatanna complained.
"I'll tell the rest of the story another time though." Raiza reassured.
"Oh you will." Batgirl said.
Just as he was about to make a smart remark but his phone rang. "Yes Canna." He answered his step-sister.
"Hey Raiza what are you doing." Canna says in a upbeat tone.
"Why you what to know?" Raiza says playfully.
"Because you said you we're gonna help me with my homework." Canna pouted.
"Yeah I know but something came up and if it makes you feel any better I'll buy you ice cream okay." Raiza says in a soft tone.
"Make it two." Canna added making him face palm himself.
"Fine." Raiza groans.
"Okay bye Raiza." Canna said hanging up the phone.
"Oh and by the way we didn't get to introduce are self's Miss Martian or Megan." the green Martian greeted.
"Superboy or Conner." the Boy of Steel said.
"Artemis." the Archer says.
"Zatanna Zatara." She said in a perky tone.
"And since I know four there's no need for introduction." the young Ninja gestured to Aqualad, Kid Flash, Batgirl, and Robin.
"Yeah and you still owe me five bucks from that bet you loss." Batgirl smirked.
"What are you-" Dick was about to ask when he thought about it. "Oh that bet hahaha."
"What bet?" Wally asked as he zoomed next to them and Robin whispers in his ear, Wally blinked a few times then he bursts out laughing.
"Yeah glad you found it funny." Raiza pouted.
"Aw Raiza don't get your panties in a twist." Batgirl chuckles.
"Why are you doing this." Raiza complained.
"You know that's her way of saying she missed you too." Robin grins while Batgirl cheeks grew hot.
"Oh shut up." Batgirl crossed her arms over her chest.
"Okay this is starting to get boring is anything to do around besides cracking jokes on me." Raiza said.
"Well we were about to watch a movie wanna join?" Wally asked.
"Hmm watching a movie with you or go home and face the wrath of my little sister." Raiza said. "I'll watch a movie with you and better not be lame.
"I have the prefect movie." Miss Martian perks up.
"What your idea of a perfect movie?" Conner said.
"Frozen." Megan says with a cheeky grin.
"NO!" all the guys shouted.
"Hey why not?" Artemis said.
"Yeah what's wrong with that movie?" Zatanna added.
"I am so sick of that movie." Conner retorted.
"Yeah what he said." Wally said.
As everyone was bickering over which movie to watch, Batgirl pulls Raiza to the side without anyone noticing. "You know Barb if wanted to go on a date all have to do ask." Raiza teased with a smirk. "Your so childish." Barbara mumbles. "But where were you for two years?"
"Well like I said helping my father save my village from destruction." the Ninja answered.
"You know when you were gone I kinda missed you." Barbara wraps him in a tight hug. "I never thought I see you again."
"Never would've thought Batgirl would have a soft spot for anyone." Raiza joked hugging her back.
"Shut up." She whispered still hugging him enjoying it and letting him go, then she grabs his front collar kissing him on the cheek. "Just call next time." As she was walking away she felt something pinch her butt making her yelp in surprised. "Hey just had to it was right there." Raiza says with a grin, while leaving for the zeta. "I'll call you tomorrow." And with that he was gone leaving a smiling Batgirl.
XXX
When Raiza returned home, he heads to his room only to see Canna sleeping in his bed. He sighs then picks her and takes her to her room, as he was laying her down she wakes up. "Raiza bout time you came home." She hugs him. "What took you so long."
"Ran into an old friend." Raiza told her. "But nothing to worry about."
"Can you sleep in here tonight?" Canna asked with puppy dog eyes.
Sigh. "Okay." Her big-brother says in defeat. She moves over a little so he could lay down, afterwards they were both fast asleep.
XXX
The next morning Raiza wake with Canna laying on his back. He begin getting out of bed but she wakes up latching on to him and he was force to give her a piggy back ride, when Raiza enters the kitchen with Canna on his back he was greeted by Mizuki was cooking breakfast. "Morning what time did you get in last night?" His step-mother asked.
"About 12 last night." Raiza said. That's when Ryu entered the kitchen.
"So I heard you joined Justice League team of sidekicks." Ryu said.
"What why didn't you tell me?" Canna jumps off his back and pouted.
"Yeah they showed up when I was on patrol yesterday." Raiza scratching the back of his head then there was a knock on the front door. Ryu answers the door to see a long red-haired girl with glasses and wearing blue stripped polo shirt with white jeans and silver a necklace. "Hey ." Barbara greeted the Master Ninja.
"Hi Barbara." Ryu says letting her in.
"Barbara not that I mind you coming but how and why are you here?" Raiza asked with a raised eyebrow.
"What can't I come see you." Barbara says with a cheeky grin. "And I took the zeta here."
"Who's that Raiza?" Canna came from behind him. "Is she your girlfriend."
"You must be Canna he's talked a lot about you." the redhead smiled. "And yes I am his girlfriend."
"Well enough about so what's the deal." Raiza smirks at her.
"Remember that bet longtime ago." Barbara smirk. "Well I'm calling it."
"Agh alright let me get dressed." Raiza says going to his room with Barbara following him.
"I like her." Mizuki said cooking still cooking. "Bout time he's gotta girlfriend."
Raiza's room
"Nice room ninja." Barbara says laying on his bed resting on her elbow. "So you just leave your swords laying around?"
"How would you know this you first time coming here." Raiza snorted. "Can you move over I'm still tired."
She moved slightly laying her head more on the bed. "So are you gonna take me on a tour of your village or what." she smirks moving closer.
"Yup probably I don't know yet." He shrugged. "But I'm not sure people would be a to fond of a bat running around here.
"Hey." She smacks his arm.
"You know you are cute when your mad." Raiza joked turning on his back with his hand behind his head.
"Oh be quiet." Barbara says as she kissed him. "By the way we are suppose to be at the cave where Batman will giving us a mission."
"And what time is that." Raiza asked.
"In 2 hours or so." Barb answered. "So that's one hour of your tour.
"Okay don't get super geek on me now." Raiza groaned which earned another slap in the arm. "But your my super geek."
15 minutes later
Downtown Japan
"For a girl as smart as you I'm surprised you don't know a lot about Japan." Raiza teased with a grin.
"And that's why your the tour guide." Barbara shot back with a grin of her own, then there was a beep in her pocket. "Hey Robin... Oh okay... We'll be there."
"Let me guess we're being called to the cave." Raiza not liking the fact the just ruined a perfectly good Saturday. "Okay let go back home and get my gear and where yours?"
"At the cave but hurry up." Barbara slightly rushed. When Raiza got his ninja gear both him and Barbara left for the cave.