What if Tanjiro was a Pure Saiyan? (x) (DB X KNY)

Tanjiro's First Mission Pt. 3

"Never forgive any demon who brings harm to humans!"

-3rd Person POV-
Before Nezuko could land the kick on the demon, it disappears into its puddle. She notices this a second after the smoke dissipates. The one-horned demon laughs at her and also disappears into his puddle. As Nezuko was about to chase him, Tanjiro yelled, "Nezuko! Don't chase after him! Get back here!" Tanjiro's face eases up a bit and finishes, "Come to me." Nezuko listens and runs towards him. A puddle appears a few meters away from her. "Nezuko!" Tanjiro yells. The demon tries to grab Nezuko, but she jumped over with ease. "Urokodaki did tell me... that Nezuko is a demon now. And that she's not necessarily so weak that I have to protect her. Besides, I did teach her a few martial arts. Is it all right to let her handle this? If I have her watch over these two, I can focus on my attacks," Tanjiro thought to himself. Just as he took a step forward, the demon's puddle appeared under him. Tanjiro took a step back as he took a defensive stance. Another one appears and the two-horned demon lunges at Nezuko. She dodged the hit and stands in front of the two. "Nezuko!" Tanjiro yelled. Tanjiro looks at the puddle and says, "Nezuko! I'm going underground! I want you to protect those two! You can do that, right?" As Tanjiro finished, Nezuko nods. When Tanjiro took a step onto the puddle, He started to get sucked into it. The demon, that was looking towards Tanjiro as he went in, now had his attention on Nezuko and laughed.

-In The Bog-
"I'm inside a bog... and these are... Are these clothes and belongings of the people who were kidnapped? Just look at all the innocent people he's murdered! It's unforgivable! Unforgivable!" Tanjiro thought to himself. The demon that stalks Tanjiro laughed and said, "getting hard to breathe, brat? There's hardly any air inside this bog. On top of that, the darkness coiling around your body must be weighing you down. *laughs* You can't move the way you would above ground! Take that! You should've looked before you jumped in, you damn fool!" The demon said as he lunged toward Tanjiro. "Don't underestimate me! Just where do you think I got my training? The air was thinner on top of Mt. Sagiri! Not that it was much of a disadvantage for me. Not to mention... some moves only unleash their full potential underwater!" Tanjiro said to himself as he prepares an attack. The demon changed directions as fast as he could swim when he saw him preparing for an attack. "How is it even possible to move at angels like that inside a bog? But it doesn't matter! All I have to do is slash when they get near enough to attack! The form that can be utilized even when there's no sure footing... generating a powerful vortex with a forceful twist of the upper and lower body!" Tanjiro said to himself. As the demon got closer and closer, Tanjiro started to smell the opening thread. "Here comes the scent! The opening thread!" He said to himself again. He mentally yelled and used,

Total Concentration! Water Breathing! Sixth Form: Whirlpool!

As he uses Whirlpool, the demon is cut up and finally beheaded. He finished the attack to see the demon turning to ash. He sees the demon's cloth and all the hairpins on it. He makes his way to it and grabs it. He puts on a face of sadness as he looks at it. He finally remembers about Nezuko. "Nezuko! I almost forgot." He said to himself as he makes his way up.

-With Nezuko (3rd POV)-
Kazumi peers onto the puddle wondering how Tanjiro is doing. Kazumi looks back at Nezuko and the final demon's battle. The demon continues to throw small hits at Nezuko while she dodged them. The demon raised both his hands in the air and slams them down onto Nezuko. She, again, dodges it by stepping to the left. She throws a heavy punch to the demon's gut. The punch was so hard, that it cause the demon to spit out blood. As they continued fighting, he thought to himself, "This girl is strong! She doesn't seem to have mastered any supernatural abilities yet, but look how strong she is! She must have received a great amount of blood!" As he was knocked back, he stopped himself and tried to go into the bog. He was so slow that Nezuko knew what he was doing that she delivered a low blow but jumped and threw a front kick to his face. The demon blocks it and says to himself, "she moves so fast! I can't dive back into the bog! But hey, I'm getting used to these one-note attacks of hers!" As Nezuko knew he was getting used to her attacks, she changed it up a bit. Nezuko jumped into the air delivering a kick to his head, but he blocked it. She used her leg and launched her other leg into his face, blocking it yet again. "Even if she kicks my head off, even if my guts rupture, demons can regenerate right away!" He said to himself again. As he finally got used to Nezuko's attacks, he chuckled and blocked her front jab. He lunges and scratched her head. Kazumi gasps in fear of seeing Nezuko finally losing. But just as the demon was about to deliver the final blow, Tanjiro lunged toward the demon. He cut his arm off while saying, "Hands off my sister!" He then cut off the other while kicking him towards the wall. He points the sword and brings Nezuko behind him. "Did he kill me? He already killed two of me?" The demon asked, dumbfounded. "You give off a scent like rotten oil. It's a horrible smell! How many people have you killed?" Tanjiro asked. "Listen! If women live any longer, they turn ugly and start tasting terrible! So, we killed them for their own good!" The demon said. Tanjiro started to lose his temper but held it down. "You should be thankful to us demons-" The demon was cut off as Tanjiro sliced his jaw open. "Shut up," Tanjiro said, anger evident in his voice. This sent chills down the demon's spine. "Never mind," Tanjiro spoke as he walked up to the demon. The demon tried so desperately to get away from him. His blade is so close to his nose. "You're going to tell me what you know about Muzan Kibutsuji," Tanjiro said. The mention of the name got the demon scared. The demon started to give off the scent of fear. Tanjiro is surprised at this turn of events. It began whimpering.

-In the Demon's mind-
Muzan is shown holding his index finger in front of his mouth.

-Real-world-
"Talk to me," Tanjiro urged. The demon still whimpers in fear. "Start talking!" He demanded. "I-I can't tell you!" The demon said in fear. "I can't tell you!" He says again, as he sobs.

Chapter 14: End.

-A Little Secret-
When the horned demon was a human, it always had a bad habit of grinding its teeth.

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1,200 words (disregarding everything after 'Chapter 14: End').