AN: Hey guys! Thanks for reading my story, it really means a lot to me that people are actually reading something I wrote. Anyway, I don't own Kenshin or Naruto, though it would be cool if I did.
Naruto went back outside to watch Minato and Sanosuke fight, leaving Yahiko with Natarii. Unbeknownst to anyone, she healed Yahiko's stomach with her chakra instead of the usual wrapping up the wounds with the bandages. The apprentice swordsman pretended he saw nothing after seeing her pleading look that she gave him. They watched the coming fight through the window, interest peaking in their minds. The Yellow Flash versus Sanza, a fight worth seeing. She just hoped they didn't kill themselves.
Sanosuke wanted to fight Minato ever since he showed up with his little brother at the Kamiya Dojo. Especially after he watch him us the Rasengan and destroy 5 trees in a row. Sanosuke gave Minato his ready-for-fighting smile and began throwing a series of punches at Minato. He wasn't surprised that said blonde had dodged or blocked all of them. Minato didn't seem to be taking their spar very seriously and Sanosuke wanted to see why people called him the Yellow Flash. Unfortunately, Sanosuke didn't know how to get Minato to take this fight seriously, that is until he noticed yellow out of the corner of his eye. Maybe if I put Naruto in a sticky situation, Minato might step in and take me more seriously. As he blocked Minato's half-hearted punches, Sanosuke could tell that he should be able to pick up the ninja fairly easily. In one fluid motion, Sanosuke dodged a punch before he swept Minato up over his head and threw him toward Naruto. The goofball blonde had been thinking and lazily watching the clouds; he never had a chance. Minato crashed into him sending them both to the ground. The dust cleared and Minato looked down in the eyes of Naruto. The Namikaze brothers gave identical cheeky smiles to each other. As Minato rolled of him, Naruto swore quietly; the older of the two bent down as Naruto sat up.
"Are you hurt?" Minato asked. Naruto shook his head and attempted to hide a grimace as he took in a breath. To Minato, it appeared that Naruto had either brusied or broken ribs, probably broken.
Naruto assured him. "I'm fine really. Just didn't expect you to land on me so suddenly." Both brothers looked at Sanosuke who was smiling back at them as if he hadn't just thrown the Yellow Flash at his younger brother. "Why is he smiling like that?"
"Apparently, I wasn't taking our little spar serious enough for Sanousuke so he decided to mix things up by throwing me at you," Minato replied. Naruto glared at Sanosuke before throwing a look at Minato, silently telling him to show him serious. Minato chuckled, before turning around and blocking a punch thrown at him by Sanosuke, who had been getting bored. Minato ducked under another punch and pushed his right hand, open palm, into Sanosuke's stomach. It distracted the fighter for hire long enough for the Yellow Flash to jump away, avoiding a punch thrown to the ground that left a small crater in its wake. Minato jumped onto a tree branch and looked down at Sanosuke as he formed a small Rasengan. Minato jumped up into the air, and started to dive toward the brown-haired man. Sanosuke seeing this, jumped far enough away so Minato couldn't land on top of him. Unfortuantely, Minato appeared in front of him and thrust the Rasengan into his stomach, sending him flying into a nearby tree. Sanosuke stood up and clutched his stomach, blood flowing through his fingers and dripping onto the ground. His sight went blurry and his whole body was screaming at him to stop, but he wouldn't. Sanosuke would never, ever give up as long as he had something to fight for, be it his pride, his goals, or his friends. He stumbled forward a few steps, before his body shut down. The ground came closer; he closed his eyes and prepared himself for the pain besides his burning stomach. It never came. Confused, Sanosuke opened his eyes to see a familiar pair of purple eyes staring at him concerned. Next came two pairs of blue eyes, one looked concerned, the other looked guilty. Sanousuke growled and heaved himself off the ground with his remaining strength, leaning on Kenshin for support.
As they began heading toward the house, Sanosuke whispered, "Thanks, Kenshin," to which Kenshin just smiled and nodded. The swordsman led Sanosuke into his room and helped him lay down. Sanosuke, finally able to stop moving, welcomed the darkness and slipped into unconsciousness. Kenshin rushed to find Natarii outside with a yelling Kaoru. Minato was desperately trying to calm her down, avoiding her swings with her wooden sword; though he felt that he deserved them. Natarii had stopped watching the battle after Naruto had been brought to the ground by Minato and began to help Kaoru around the house. She noticed the blood and had been looking around for Sanosuke when she saw Kenshin with a panicked face.
"Miss Kaoru, Natarii. I need you to come and look at Sanosuke quickly," he pleaded. Kaoru stopped her assault on Minato and followed Natarii into Sanosuke's room. The blood was still freely flowing out of the pale, unconscious man's stomach; Natarii began to work on closing the wound. Everyone watched as her palm glowed gold with chakra and she began to heal Sanosuke. Yahiko noticed it was the same color of chakra that she had used to heal his minor wounds. After a few minutes, Kaoru took Yahiko to train and Minato and Kenshin left to finish up around the house, leaving Naruto alone with Natarii. Again. She didn't take her eyes off Sanosuke's wound, but she could tell Naruto wanted some explanations.
"The Rasengan was a small one, but for whatever reason, Minato pushed more chakra into the impact when the Rasengan hit Sanosuke; this resulted in a deeper wound. Not only did the Rasengan destroy his skin, the force and the chakra went all the way to his spine, leaving a huge whole and a damaged spine with its connected nerves and tendons destroyed. I'm very surprised Sanosuke was able to walk, or even stand after that. Then again, he doesn't give up. About the color of my chakra, well, I don't feel like explaining it right now. The story behind it is both sweet and sad at the same time," Natarii answered. Naruto looked at Sanosuke's face and back at Natarii's as she began to speak again. "To make things worse, Sanosuke has lost a lot of blood. Luckily for him, my blood is O positive and I can give blood to anyone. I am going to do a blood transfusion through my chakra into his system using a jutsu I created that makes it easier to for medics to do their job. I focus my chakra in a certain spot in my arms that is near those veins. The chakra acts like a needle and punctures my vein to allow blood to flow through the chakra, mixing with it. My blood-filled chakra will be transferred to Sanouske, both healing him and giving blood to him*," she explained. Naruto watched as her chakra became orange, indicating blood was in it. Sanosuke's pale sking started to return to its normal color, while Natarii's slowly began to lose its color. Naruto cleaned up the blood and watched as she began to push herself to exhaustion.
"Natarii, maybe you should-"
"I'm not done yet, Naruto. The blood transfusion is complete while his stomach and the skin protecting it is repaired, but I still have to fix his spine." Natarii hated lying, but she didn't want her blonde friend worrying about her. "Why don't you go teach Yahiko that forbidden jutsu that you love to use. I'm sure it will help lighten the mood and besides, Sanosuke is going to be just fine," Natarii suggested. Her suggestion worked like a charm as Naruto left her, the fire back in his eyes at the prospect of training. The red-haired jinchurriki sighed in relief and settled on fixing Sanosuke, no matter the cost. She would fix her friend, even if she didn't survive to see his brown eyes again.
About her jutsu: I think it makes blood transfusion way easier using the chakra you already heal people with to use as a vessel for the blood to get into the system. I don't have a name for it yet.
And I think Yahiko learning the Kage no Bunshin no Jutsu would greatly improve his abilities and make him stronger. See you later, my awesome readers!