“Unlock Natural Japanese in 15 Minutes. Meet Your MATEs.”
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What is a “MATE”?

We call our students “MATEs.”
Learning a language alone can feel like wandering through the dark.
Having a “MATE” to walk beside you becomes the ultimate spark for your motivation!
Benefits of becoming a MATE
- Consistency without the Burnout
Language learning has no end.
To speak natural Japanese, it’s essential to immerse yourself
—even if just for a few minutes every day.At C.C.Rainbow, we help you overcome the “language barrier” through our 15-minute daily habit.
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For the Busy & On-the-Go:
It’s only 15 minutes and fully mobile-friendly.
Whether you’re commuting, at a café, or relaxing at home, you’ll always find the time and place to keep going. -
Maximized Focus:
This short burst allows for 100% concentration without needing a desk or a textbook.
Just you and your smartphone for a visible transformation in your Japanese skills.
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- A Community of Like-minded Mates
Learn alongside MATEs of all ages and nationalities!
With exclusive content and events, you’ll have plenty of opportunities to use Japanese outside of regular lessons.
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Log your daily study progress
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Join online “Silent Study” sessions
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Language exchange (Tandem) to share your culture
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Japanese cultural experiences
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Group lessons focusing on “Real-life” Japanese
Joining C.C.MATEs is completely FREE. Join our Google Classroom below!
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- Your Private 1-on-1 Space
“What does this mean?” “How do I say this?”Without daily guidance, these questions often go unanswered.
Every MATE who takes lessons receives their own Personal Google Classroom.
It’s a private space just for you and your teacher.
You can study at your own pace and ask questions or seek advice anytime, privately and comfortably.
Not sure yet? Start with our €15 Trial!

15€ Trial Session | C.C.Rainbow