Learn Japanese for life, not just for tests.
A complete Irodori study companion — transcripts, spaced-repetition vocabulary, guided workflows, and interactive listening quizzes.
Shika-kun 🦌
Everything across the full Irodori line-up
Learn from everyday Japanese situations with audio, transcripts, speaking drills, can-do goals, and SRS that stays synced across devices.
Lesson audio
Study all four Irodori books with section-aware playback, A/B loop, and speed controls.
Official transcripts
Japanese, romaji, and English side-by-side, sourced from the official Irodori audio scripts.
Smart flashcards
Spaced-repetition flashcards for every vocabulary word. Progress syncs across devices.
Listening quizzes
Textbook-aligned kiku quizzes with per-lesson score history to spot weak points fast.
Study at your own pace with Shika-kun
Your friendly study companion guides you through each lesson — from first listen to quiz mastery — keeping streaks, flashcards, and can-do goals all in one place.