Birthday

"Talking"

(Added words in the head or thoughts)

'Whisper'

[Ki Technique/Breathing Form/Magic]

• POV change •

*Sound*

∆Time and/or Place∆

~Sounds made by a character like a sigh~

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∆Time Skip, brought to you by Hit. 4 months later.∆

Lily had finally managed to better her vocabulary and grammar and she could speak like she was a Japanese in the first place.

The chubby Lily before was now slim, and now Tanjiro was having a hard time looking at her that long without his face going red when she smiled at him. Well, he's already 12, so Rai expected that would happen sooner or later.

2 months more, and Tanjiro will turn 13 while Lily was about to turn 14 this May, which much to her annoyance, was the same day as Rai who will be turning 16.

At first, she didn't want to believe it until Raiden revealed that he was a Saiyan, but didn't revealed that he was a reincarnated Otaku to her since her case was different and he wants her to think that in this place, she's the only one who knows the future of this world, and he was here due to this world being an Alternate Universe for her.

'Why do I have to share birthday celebration with you?' Lily whispered to the side but.

'Neither do I.' Raiden heard her and whispered back.

Current day today is May 12, and tomorrow is their birthday. Raiden felt like the God of Fate was really into messing his life a little like this, he will be celebrating his birthday with another person who does not go well with with, and vice versa.

The 16-year old boy decided to forget his headache by working twice faster than before. His battle power when he landed was already considered pretty high for normal humans as he have a battle power of 90 when he descended.

Since he have no equipments, he just used his knowledge about magic and increased the gravity around him that was wrapped around his skin as to not accidentally make someone feel the multiplier gravity if they're near him.

Right now, his battle power have already reached past Goku's power when he fought Piccolo, which is 469, and he still have small body. If he did have bigger body, he would have reached tens of thousands easily with gravity magic that he applied to himself 24/7.

Right now, he can train under 6 times the gravity due to his body size. He would have managed to reach more than Goku have if he were to train under 10g(I will be referring 10 times more into g).

But since he is stronger right now, he stepped it up to 7g, which made his muscles fell sore after just working for 8 hours straight by cutting woods to turn into charcoals.

∆May 13th, 1916. Raiden and Lily's Birthday.∆

• Raiden's POV •

"HAPPY BIRTHDAY, RAIDEN, LILY!" All the Kamado greeted both Lily and I after my work at the blacksmith down in the village.

"Everyone, thank you." I said with a small smile on my face.

"Thanks, everyone!" Lily said with her cheery attitude.

But... she's only, ONLY, being rude to me when there is something to argue about. For the past few weeks, I started ignoring her arguments and let it be. I've had enough of it, so I'll just let her argue all she wants until I can have my peace shortly after.

It works every single time.

Anyway, as we get inside, we saw them holding something behind their backs.

First, Tanjiro stepped in front of us. He gave me something first, and it is something I didn't expect to have. A crude carved wood with my face being on it.

I chuckled as I look how much he put all his efforts into making one.

I smiled, "Thanks, Tanjiro. I'll carve you on stop in your birthday."

Before Tanjiro could speak, I interrupted him, "You've become a little bit better than before. Thanks for the efforts you've put into making this."

This made, of course, Tanjiro to smile like there's no tomorrow.

And that smile actually made Lily blushed, which she thought I never saw since I am looking down a little.

Next, Tanjiro gave Lily something that shouldn't blurt. It was an onyx bracelet I made for Tanjiro. It was made to provide the user to be 10% more stable in breathing, making it a good accessory to use for cold weather while trekking the mountain up and down. However, I've never told them that effect, so Tanjiro gave her the bracelet made by my hands to her instead.

Next was Nezuko. She stepped in front of us and gave me first her gift, which caused Lily to pout and said why am I always the first one to revive a gift.

Anyway, Nezuko gave me blue scarf. There is two possible things why she gave me a blue scarf: one, she can only afford one type of material for creating a scarf, or two, it's because I always wear dark color clothes and having a light colored scarf will fit perfectly.

And it seems the reason is the latter as Nezuko gave Lily a yellow scarf with blue design. And then, I looked at mine, and saw that the designs are colored in yellow.

It seems it is both the possibilities... I didn't expect this.

Next was Takeo. Takeo gave Lily first, which made her happy, and got her gift. Her gift from Takeo was something I didn't expect.

He gave her a necklace using the materials that can be seen in the house. Lily's name carved on the wood and has long lace so can be hidden under her clothes.

Then to me, he gave me something I didn't expect, a bokken.

"Hm? Why bokken?" I asked.

"You were dancing yearly too, right? What was that dance again?" He asked.

"Dance of the Water God. I don't know if fate is playing, but I've learned this dance even before I arrived here."

"Yes, and father also have a dance called Dance of the Fire God. And he was holding a sword-like wooden stick, and I want to see you dancing as well with a sword. Even if it is just a Bokken." Takeo said as he looked down.

I patted him and he grumbled, "What the? What was that for?"

I only laughed and stopped patting him. The bokken have a length of 65cm, a little bit longer than most bokken.

Lastly, Kie, since Hanako, Shigeru, and Rokuta are considered gift with just their smiling faces and cuteness.

Kie gave something first to Lily, and when I tried to smell what it is, I smelled something akin to make up, but it smelled more natural since make ups in this kind of era are not fully manufactured by factories, add the fact that we were living in countryside, and on a mountain to be exact.

"You said you want make up. So, I gave you mine that were from my mother. I've never used them, and you needed them more than I do." She told her those exact words.

Then, she looked at me and and showed something that I did not expect to see.

"I've tried my best on getting these." She said as she handed me those things with a smile on her face.

The first one was a scouter, which can literally do some things a computer can do. And the second one was, a book about all herbs, plants, and even cures for poisonous plants as I searched at it.

'This must've costed a lot of money.' I whispered as tears started flowing down my face.

I hugged Kie and told her my thanks while doing my best to stop this dripping eyes of mine. Soon, the other slowly joined the family hug. Only Lily felt out of place, so I did one thing.

I pulled her so she will be hugged by Hanako and Shigeru.

After that, we all are happily afterwards.

∆1 month later...∆

As I brushed the canvas, I am happy that I lived with all of them. As much as I want to changed their deaths, I can't just interfere, or Muzan will still be alive. And I don't want him to roam the world any longer than 3 years.

If my theory is right, there might be a Kami on this planet and I hope it will be a Namekian as well so I can use the dragon balls to revive the whole family after the death of Muzan, Tanjiro is added on the "To-be revived" list.

I want him to feel the feeling of seeing your son growing up into an adult and see him get married with someone he loved.

This is my plan if my theory of this planet having a Kami. In that case, I need to learn how to fly next as I haven't learned how to even if my Ki control is decent as I can control my ki attacks.

Every night, I train my ki control by making balls of ki float around me and make them spin themselves like rasengan and create more and more slowly. If I lose control, I'll create new ones. It's a good thing the the balls that I am maintaining to rotate around me are supposed to disappear like a bubble if I lose control.

And then, I've also created how to make my fist emit concentrated sunlight, and I also want it to be invisible so demons like Muzan will be surprised if I used it without him noticing.

Sadly, I don't have any guinea pigs to test it to, so I ended up roaming whole Japan just to test it. The invisible sunlight fist, which was weaker than Solar Flare in effect but it relies on the user's battle power. I want to call as Raging Sun Flame Fist, which was a set of martial art techniques, that I created, that relies on the skills.

These techniques have an effect of stopping regeneration as well because it can emit sunlight, which destroys their cells that stops them from regenerating. This can be used on weapons as well, making the reach increased.

∆1 month later... July 14th, 1916.∆

"HAPPY BIRTHDAY, TANJIRO!" All but Raiden yelled when Tanjiro had just arrived back home after just getting back home from selling charcoals.

"Everyone..." Tanjiro was about to cry until Raiden suddenly headpatted him.

However, he was smaller than Tanjiro so he ended up revealing that he could fly.

"Wow, Raicchi! You're flying!" Hanako and Shigeru both said in unison.

Yes, they gave him nickname. He might have escaped being called a vegetable, but he ended up being called a fruit instead!

"Rai, how can you fly like that?" Kie asked in curiosity.

"Hm? I can fly because I know how to control my energy called ki. I'll tell you all about it later. For now, let's give Tanjiro his presents."

Even though they all wanted to know, they also need to give Tanjiro his gifts.

Raiden gave Tanjiro a box and printed him to open it. When Tanjiro opened it, he saw a small him made of wood and were colored by using the remaining paints he used on creating a painting which was now hanging in the wall.

And the rests gave their gifts to Tanjiro.

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Welcome to Demon Slayer Academy!

• President meets Vice President!

One day, the newly elected school council President and Vice President has now met each other for the first time in person. The president is a spiky black haired young man who has been a president for 2 years on this academy.

The president is a blonde haired young woman who transferred into Demon Slayer Academy after she passed the entrance exam.

"Are you the President?" the blonde asked.

"Yes. Why do you ask such an obvious- wait! You're the transferee, right?" the spiky spoke.

The blonde nodded and said, "My name is Lily Hernandez, and I'm the new Vice President! Nice to meet you!"

Spiky nodded and told her, "My name is Shinikazuchi Raiden. It's nice to meet you, Lily."

The both of them shook their hands.