I am a teacher

Aoi wasn't sure how long it had been since the warmth in her house disappeared.

Yet, after her second daughter was adopted into a different family and her husband needed to face something dangerous, her mind was constantly challenged.

Her days were filled with loneliness and sadness.

Yet, for her husband, her only daughter, and her family, she had to appear strong and wait.

However, when he was here, she felt that warm return, and she couldn't help but laugh at the conversation she had had with him.

The three of them had dinner together, and this dinner was filled with the warmth that she sought.

Tamazuki didn't know that since he had been entangled by Rin, who kept asking him a question.

"Tamazuki-nii, what kind of martial art did you master?"

"Rin!"

Aoi couldn't help but chide her daughter again since she felt her daughter's question was rude. While she wasn't sure about the rules of the martial artist family, she thought that it might be quite similar to the family of "Mage," and of course, they kept the technique of their family a secret, especially from the outsider.

"I am sorry, Tamazuki-nii."

This time, Rin apologized since she knew that she might be too excited. His appearance made her forget all the unpleasant things that happened in her life, whether it was her little sister, who had gone and forgotten from her family, or even her father, who was about to face a dangerous battle.

All of that was too much for a little girl like her.

Yet, Rin, who was born into the Tohsaka family and chosen as the heir, understood the responsibility that she had to face. She couldn't act like a spoiled girl and needed to act like the heir of the Tohsaka family.

Nevertheless, before she was an heir, she was a little girl.

Tamazuki's appearance broke her defense, and she had fun having him by her side. She was even thinking of asking her family to hire him as a butler or something since it should be okay, right?

Yet, when her mother reminded her, she also understood her mistake, so she apologized, but her heart definitely wasn't in a good mood, and she also thought that she had made a big mistake.

"It's okay, Tohsaka-san. I can answer Rin-chan's question."

However, he didn't get angry and patted her head gently like before.

Rin loved this head pat, and because of this, she knew that he didn't feel angry.

"But..."

"For others, this might be a secret, but currently, I am the only inheritor of this art, so I can make the decision whether I want to tell someone or not." Tamazuki, once again, thought that Aoi was a wonderful woman, and it was unfortunate that she had married.

"So, what kind of martial art did you practice, Tamazuki-nii?" Rin asked curiously, but her question was rather quick as she was afraid that she might remind him of a sad memory.

Tamazuki thought that Rin was such a cute and sensible child.

Nevertheless, Aoi didn't say anything when Tamazuki said that he was okay to tell them about his art. However, inwardly, she sighed and thought that this young man had faced a lot of things that made her quite distressed.

'Though, I need to wait at least ten years. No, eight years?'

Yet, in reality, what would their reaction be if they knew what he was thinking?

"The name of my art is "Water Stream Rock Smashing Fist."

He answered Rin's question without a blush or shame on his face.

"Water Stream Rock Smashing Fist?" 2x

Still, whether Aoi and Rin were unfamiliar with this art, yet, from the name alone, they could tell that it was powerful.

Or rather, the atmosphere, aura, and everything about him when he told this art was so convincing that they would believe him without hesitation.

It might not be wrong to say that he had become a master con man.

"While it might sound exaggerated, my teacher has always said, "the ultimate art for redirecting force. Before it, your fists are like tree leaves in a raging river."

If Bang heard what Tamazuki said at that moment, he would be crying like a river, moved by the fact that he had a good disciple.

Still, it might not be wrong to say Bang was his teacher since he learned this art.

"Ultimate art for the redirecting force... before it, your fists are like tree leaves in a raging river..."

Rin murmured with a flush of excitement on her face, thinking that those words were so cool!

Similar to Rin, Aoi would be lying if she wasn't curious.

"Do you want to see some demonstrations?"

"Is that okay?" Rin, who had been scolded by her mother several times, knew that it was a rude request, so she didn't ask it, but if he was the one who offered it, then it was different, right?

"You have helped me during my most perilous time. I will be small-minded if I refuse such a small request from my saviors."

Frankly, even if they had seen his demonstration, it was impossible for them to learn it immediately.

Yet, this was normal since even among Bang's students, the one that could utilize this martial art better than Bang was only Garou.

As for the rest? They were disappointing.

Still, when Aoi wanted to ask whether it was really alright, Tamazuki said, "This martial art isn't used for killing during the war, but it is to protect as it is the ultimate defense art."

Aoi looked at him helplessly, but she was curious. "Then, can you show it to us?"

"Sure."

Tamazuki nodded. "Can I show it on the outside? I might dirty your house if I do it inside."

The two agreed and went to the yard to see his demonstration.

Tamazuki also didn't disappoint them and showed the ultimate defense art, Water Stream Rock Smashing Fist.

At that moment, a blue aura that resembled the flow of water glowed in his extremities.

Then, when he started to move.

When he moved, the pair of a daughter and a mother showed a surprise.

"This... is this a martial art?"

"Strong!"

His movement was as graceful as flowing water yet as deadly as the raging river.

He could be harmless and protect the people he cared for, yet at the same time, give a killing blow to his enemies without any mercy.

"Water Stream Rock Smashing Fist..."

The two couldn't help but mutter the name of this secret martial art once again.

Yet, if Tamazuki knew what they were thinking, he thought that they were exaggerating since, in his previous world, it was a public martial art that could be learned by anyone.

However, because of this, in this world, the value of this martial art was priceless as no one could teach this ultimate defense martial art in this world other than him.

Still, he only showed this art for a few minutes, but he felt the reaction of Aoi and Rin was too exaggerated.

However, Rin suddenly surprised everyone.

"Tamazuki-nii... No, Sensei! Can I learn under you? Please!"

Rin bowed her head as she made a fist and palm salute.

"....." Tamazuki.

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