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So Tokumaru

得丸 創生

I'm So Tokumaru, working on TutoriaLLM, a Web application that helps you learn programming.

Who are they?

As this is AI generated text, some of text or words might be incorrect.

So Tokumaru is an outstanding young creator who possesses both technical skills and creativity. He is affectionately known by the nickname "Bean" and is particularly passionate about the development of a web application called "TutoriaLLM." This project is an open-source software that provides programming tutorials incorporating AI, and it is expected to be a useful tool for many people. Tokumaru has leveraged his talents to achieve remarkable results in various contests. In 2024, he won the Technology Award and the championship in the AI category at the "App Koshien 2024," and he received the Minister of Internal Affairs and Communications Award. Additionally, he was recognized as a Super Creator at Mitou Junior 2024, and his abilities are highly regarded by many. Furthermore, he has won numerous awards for projects utilizing "Minecraft" and has formed a creator group called "Team Outstndrs," working across various digital fields. Tokumaru's activities so far showcase his creativity and technical skills, and he is likely to make significant contributions to future technological innovations.

Recent blog

"【Foreign License Switch】I tried to convert my Malaysian license to a Japanese license."

Hello, I’m Soumame, 18 years old. I lived in Malaysia for about five years, but I returned to Japan at the end of January. I was able to convert my foreign driver's license to a Japanese license, allowing me to drive in Japan, so I wanted to document this here. As of March 2025, the number of applications for foreign license conversions has increased, and the rules for converting foreign licenses have changed, so please check the latest information on the Tokyo Metropolitan Police and the websites of the police in each prefecture. The information on this page is based solely on my personal perspective. If you think anything is incorrect, I would appreciate it if you could contact me. Read more.

Reflection on the Unexplored Junior Program

This article is part of the Mito Junior Advent Calendar. It's been a while, I'm Souma (https://tokumaru.work/en). I was attending an Australian international school in Malaysia, and I graduated at the end of November. With just a little time left in 2024, I have been reflecting on various things I have done this year. Read more.

Since the Mitou Junior has ended, I tried a massive refactoring.

Hello. This is Souma. This article is part of the Mitou Junior Advent Calendar. Today, I would like to talk about a large-scale refactoring of an app I am currently developing called TutoriaLLM. Although I have become quite accustomed to it, I may still be writing code in ways that are generally considered poor from the perspective of experienced developers. If you notice anything, please feel free to let me know. You can contact me here: https://tutoriallm.com https://github.com/TutoriaLLM/TutoriaLLM What is TutoriaLLM? It's a block programming tutorial similar to Scratch...

I want to incorporate LLM into visual programming (Blockly × LLM).

Nice to meet you. My name is Souma Mako and I am a developer. About a year ago, I became really into web application development using Typescript and React, and currently, I am creating a web application called "TutoriaLLM," which incorporates visual programming, AI-driven dialogue, and real-time code execution features. https://tutoriallm.com I started developing "TutoriaLLM" at the beginning of this year, and although it's my first properly made app, I am happy to say that it has been selected for the Untapped Junior 2024 program and has won the AI development category at the App Koshien 2024. However, I have participated in various external contests...

I tried to get a license in Malaysia.

Hello. I am Soumame, 17 years old. Recently (though it was quite a while ago), I was able to obtain my driver's license in Malaysia, so I’ll write down how I got it here. First of all, I should mention that in Malaysia, you can get a regular driver's license starting at the age of 17, so please keep that in mind as you read. I received questions from acquaintances about how to obtain a license in Malaysia, so I am summarizing my personal impressions and experiences. Read on.

Let's read Google Sheets via API!

This is a re-publication of an article I wrote on another site last year. It's super easy. I will explain how to read information written in Google Sheets using something called an API. With some application, it can also be used as a simple CMS! You can use it just by copying and pasting, so please take a look. Read more.

As long as you know HTML, you can do it! Let's create a blog site with Astro!

Sometimes you feel like creating a blog site, right? For sites of a certain scale, it's now an era where you can quickly create a website to your liking without having to use WordPress or similar platforms. This time, I'll try to create a blog website using the trendy framework, Astro, in about an hour. Read more.

Reflecting only on the failures of 2023!

To those who say, "This is your personal opinion, right?" Yes, that’s correct. This post is primarily centered around personal experiences and thoughts. Additionally, in order to keep the writing concise, there are parts where specific explanations have been omitted. If you have any concerns, I would appreciate it if you could do some research on your own and then reach out to me via DM or other means. Wow, the year is finally coming to an end—it has been a long yet short year, or so I wanted to say, but I received this mention in the Discord community I manage, "Mamee." Read more.

What is the curriculum offered in Victoria, Australia, known as VCE?

I have been attending Peninsula International School Australia in Malaysia since I was in the first year of middle school, and I am currently a Year 11 high school student. The curriculum I am studying there, the "VCE" from Australia, Victoria, is quite complicated, and I wanted to organize the information for myself, so I will write it down. The VCE refers to...

How to perform Bitcoin transactions without using blockchain (off-chain)

This article is a re-upload of an article I wrote a while ago. When people hear the term cryptocurrency, many might think of blockchain. Recently, I researched transactions that do not use blockchain, so I’ve summarized my findings. Read more.

[Integration & Java] Convert Minecraft worlds to 3D for free!

Since I often receive questions about this kind of topic, I will summarize it in a note. The integrated version requires a process to convert to Java midway, so you need to purchase both versions. Read more.

【ATO2】Air Tycoon Online 2 Credit Making Guide

*This article is currently under construction, so the content may change in the future. I will read various articles, try them out, and introduce the examples that worked best. There are many difficult words, so beginners are encouraged to check out Wikipedia or similar resources. Read more.*

How to Create Free Automatic Notifications Using Notion Functions

Notion is very convenient, isn't it? I also migrated from Trello, and it's extremely useful, but there's just one disappointing thing. I don't receive notifications when it's time... (to read more)

[Free] How to Use Bitcoin for In-Game Purchases!

There is currently no use for Bitcoin, and I thought about using it for in-game purchases (gift cards), so I decided to write this. There are many points to be careful about when purchasing gift cards, so please read carefully. 0. Continue mining with Nicehash.

What I did

2024, Nov

App Koshien 2024 AI Division Technology Award - Champion

In the national high school student app development contest "App Koshien 2024," students from across Japan competed, and the TutoriaLLM project advanced to the finals in the AI category, winning the Technical Award and the Grand Prize/Minister of Internal Affairs and Communications Award.

2024, Nov

Mitou Junior 2024 Completion

The support for the selected TutoriaLLM project concluded with the成果報告会 (results presentation) on November 4th. On the same day, we received the Visional Award as a corporate prize from Visional Inc. Additionally, at the end of the month, we were recognized as Super Creators, an award given to creators who achieved particularly remarkable results.

2024, May

Mitou Junior 2024 Selected

The TutoriaLLM project has been selected for the Mitou Junior 2024 creator support program. We are developing an OSS (open-source software) that provides programming tutorials integrated with AI, which can be freely used by anyone.

2024, Jan

TutoriaLLM project launch

We have started the production of an open-source software (OSS) that delivers programming tutorials integrated with AI, which anyone can freely use. This is the first fully-fledged full-stack web application we have created. It incorporates various ideas based on past experiences.

2023, Dec

Minecraft Cup 2023 Encouragement Award Winner

The Team Outstndrs, composed of members ranging from elementary to high school students active on the internet, won an award at the Minecraft Cup regional tournament held in Japan for the world they created.

2023, Oct

Malaysia Minecraft EDU Challenge Award

The Minecraft world we created was selected as the 2nd place in the International upper grade category of the Minecraft Education Challenge hosted by the Malaysian Ministry of Education, Sunway Malls, and Microsoft.

2022, Dec

Programming Instructor

Until early 2024, I was a teacher at "Classmall Kids," an online programming school operated by YAGO Co., Ltd. Currently, I am offering classes using the video game "Minecraft."

2022, Apr

IDEACTIVE JAPAN PROJECT Student Ambassador

As a marketing student ambassador for the business contest "IDEACTIVE JAPAN PROJECT" organized by Microsoft, SoftBank, Meta, VISITS, and IOT Biz Lab, I am responsible for planning events such as the "IDEA CREATION WORKSHOP," a hackathon for elementary school students using Minecraft.

2022, Jan

Team Outstndrs

We formed a group of creators on the occasion of winning the Micra Cup. We have started online activities in various digital fields such as world creation using Minecraft, videos, 3DCG, and urban planning.

2022, Jan

Minecraft Cup 2021 Finalists & Awards

I participated in a competition with a few friends to compete in skills and thinking abilities in Minecraft, and I was a finalist and won an award.

2019, Nov

Studying abroad in Malaysia

I studied abroad at an international school in Malaysia.

2019, Apr

Entering a junior high school in Tokyo.

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2013, Apr

Elementary school enrollment in Tokyo.

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2006, Dec

Born in Tokyo.

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