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About
An independent, unofficial study companion. Not affiliated with or endorsed by 3A Corporation or the textbook publisher.
Make Lessons 26–50 easier to understand and practice. Kacoka Japanese Companion keeps the original Japanese in focus while giving English-speaking learners the support they need to study confidently.
ENGLISH SUPPORT FOR LESSONS 26–50
- Clear explanations of ~んです, ~んですか, ~んですが, ~ていただけませんか, and ~たらいいですか
- Natural English vocabulary meanings and grammar notes
- Sentence-by-sentence translations and learning explanations
- Answers and guidance for Practice A, Practice B, Practice C, and questions
- Japanese text with furigana and Japanese audio
- Offline lesson content for focused study anywhere
BUILT FOR TEXTBOOK LEARNERS
Move from reading the example to understanding why the grammar works. Review sentence patterns, study the conversation, listen to Japanese, check an answer, and open a detailed explanation when a sentence is unclear.
English and Simplified Chinese learning modes both include Lessons 26–50.
This app is an independently developed study aid. Textbook and publisher names are used only to describe compatibility. All trademarks belong to their respective owners.
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What's New in Kacoka Japanese Companion
1.2.0
July 16, 2026
- Expanded the English learning mode to Lessons 26–50 - Added English vocabulary, grammar, sentence-by-sentence explanations, and answers - Improved switching between English and Simplified Chinese - Kept Japanese text, furigana, and speech available in both languages
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In-App Purchases
$4.99
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