AI英語ゲーム マグナとふしぎの少女｜英単語・英会話・英検

MINTFLAG Inc.

About this game

This is a completely free English game app for people who can't keep up with their English studies.
While playing in a world of over 70 episodes of anime and game battles, you can improve your listening, speaking, pronunciation, and EIKEN skills all at once by learning 3,000 English vocabulary words and 1,800 phrases.
It's perfect for elementary, middle, and high school students, as well as working adults who want to refresh their English or prepare for the EIKEN exam.
Just progress a little at a time in your spare time, and you'll see your English skills improve before you know it!

■App Features
《A dream app that lets you learn English for the EIKEN and other exams while having fun!》
・Completely free!
・Want to see the next episode of the anime? Want to win the English battle? Even those who aren't good at English can continue learning naturally.
・Children and adults alike can naturally acquire English vocabulary and conversation skills while playing.
・Serious learning content created in collaboration with a university professor who appears on NHK Educational TV.
・Includes 3,000 English vocabulary words up to university entrance exam level and Eiken Grade 2 equivalent, and 1,800 junior high school English grammar phrases.
・Free AI English conversation is also available, perfect for speaking practice and Eiken Second Stage interview preparation.

■Prevents addiction (parents can rest assured)
・"Usage time limits" prevent overplay.
・"Learning report" feature sends email notifications to parents about their child's learning progress.

■Completely free
・Play the game and learning content to the end with no in-app purchases.
・No external ads, so you can focus on learning.

■Luxurious content created with serious intent, both the anime and the game.
One day, a mysterious English-speaking girl named Rei suddenly appears. Join Kai on an exciting adventure as you overcome language barriers and learn English as the story unfolds.

- Featuring a stellar cast of voice actors popular in TV anime and other media.

A total of over 30 voice actors, including Akio Otsuka, Tetsuya Kakihara, Rikiya Koyama, Miyuki Sawashiro, Hideyuki Tanaka,
Chafurin, Rumiko Varnes, and Donna Burke, star in this exciting story.

- The authentic voice acting of popular voice actors makes English vocabulary and conversational phrases stick in your head.

■ Featured on numerous TV programs as a popular English game app!
- Over 250,000 users!
- Over 227 schools have adopted this app! (As of November 2025)

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▲▽ Recommended for: ▽▲
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[I want to learn English in a fun way]
・A wide range of ages, from elementary school students, junior high school students, high school students, and college students, to adults, can enjoy learning.
・Pronunciation battles will help you feel less embarrassed about your English pronunciation and eliminate any fear of speaking.

[I want to practice listening comprehension]
・In the game, you can practice pronunciation by ear copying and shadowing native speakers' sample audio!
・You can rapidly improve your listening and pronunciation skills while playing.

[I want to prepare for the Eiken exam]
・Learn English vocabulary from Eiken Grade 5 to Eiken Grade 2 levels!
・You can also use AI English conversation to prepare for the Eiken Second Interview (speaking practice).

[Popular with people using the following English learning materials! 】
・English Grammar 750
・Target 1900
・Target 1400

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◆ Achievements
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▼ Number of schools using the service: 227
(As of November 2025)
Selected for the METI Edtech Startup Support Program "EOL"
16th Japan e-Learning Award
Special Category Award: "AI/Artificial Intelligence Special Category"

Featured in the METI "Classroom of the Future"
Featured in the Ministry of Education, Culture, Sports, Science and Technology "Tanoshiku Manabi Tai"

▼ TV Featured
(Broadcast February 18, 2025)
TBS morning information program "The TIME,

(Broadcast July 20, 2025)
TBS "Gachi-ri Monday!!"

(Broadcast August 1, 2025)
Fuji TV "Nonstop!"

(Broadcast October 15, 2025)
Fuji TV "Live News α!"

▼ Conducting joint research with Tokyo Gakugei University since October 2018

▼ Automatic AI review support! (Patented)

= ... (On-the-Go English Conversation, Role-Play English Conversation, Super English Conversation Phrase Set)
-Receive exclusive rare treasures!

▼Lessons with native English instructors and bilingual Japanese instructors
Group online English conversation "Magna Party"
https://magna-eikaiwa.mintflag.com/magna-party/

▼Amazing learning results in just one month
One-on-one online tutoring "Magna Method"
https://magna-eikaiwa.mintflag.com/magna-method/

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▲▽Collaborating Research Partners ▽▲
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National University Corporation
Tokyo Gakugei University

Tokyo Gakugei University
Faculty of Education
Department of Foreign Language and Foreign Culture Studies
Professor Mamoru Kimura

Tokyo Gakugei University
Faculty of Education
Department of Foreign Language and Foreign Culture Studies
English Language Education
NHK Educational TV "Ei Ei GO!" (2015-2018)
Yoshiki Takayama Professor

○ Reference Targets
University Entrance Exam Level
EIKEN Pre-1st Grade or above
CFER C1 or above
GTEC Advanced or above
IELT 7.0 or above
TOEIC 800 or above
TOEFL 94 or above
etc.

[Price]
App: Free

= ...

What’s new

・イベント用「対戦部屋」機能を実装しました!
今後、対戦部屋機能を使用したデュエル大会のイベントを開催します!
大会をより一層楽しんでいただけるよう、機能を改修しました。
デュエル大会開催を、ぜひ楽しみにお待ちください！

・みまもり設定の不具合修正について
プレイ時間制限が効かない場合がある不具合を修正しました。
保護者様や学校関係者様より「制限時間を過ぎてもアプリが動作してしまう」というご指摘をいただき、調査・修正を行いました。
お子様がルールの範囲内で健全に楽しめるよう、今後も機能改善と安全性の向上に全力で取り組んでまいります。

・そのほか軽微な修正を行いました。