64 Chapters · N5–N3
Japanese Study Book
A structured guide to learning Japanese from the writing system to intermediate grammar. Work through each chapter at your own pace and track your progress.
64 chaptersTrack progressAI integration
Course map
Choose your current level
Start from chapter 01 if you are new, or jump to the level that matches your studies.
N5
基礎Beginner
Build your foundations
Learn kana, core particles, verb forms, adjectives, counters, and the sentence patterns you need to start communicating.
20 chapters · 01–20
N4
成長Pre-intermediate
Connect everyday ideas
Expand into practical kanji, nuanced verb forms, conditionals, relative clauses, and polite Japanese.
20 chapters · 21–40
N3
前進Intermediate
Speak with more nuance
Develop natural expression through six focused units covering time, evidence, conditions, written Japanese, and discourse.
24 chapters · 41–64
N5
Beginner · Chapters 01–20
Build your foundations
Level progress0/20
01Introduction & ひらがな (Hiragana)Welcome to your Japanese journey! Start by understanding the three writing systems and mastering Hiragana, the foundational script for every sound in the language.Read chapter 02カタカナ (Katakana) & Basic GreetingsMaster Katakana, the script for loanwords, and learn essential Japanese greetings to start interacting in daily life.Read chapter 03Numbers & Particles は and のLearn to count in Japanese using Kanji and master the two most fundamental particles: the topic marker 'wa' and the possession marker 'no'.Read chapter 04Pronouns & Particle もExpand your ability to refer to people and things. Learn personal pronouns, demonstratives (this, that), and how to say 'also' or 'too' using the particle 'mo'.Read chapter 05Question Words & Particle かMaster the art of asking questions in Japanese. Learn the essential question words (Who, What, Where, When) and the particle 'ka' that marks a question.Read chapter 06Demonstrative Adjectives (この, その, あの, どの)Master the demonstrative adjectives used to point at specific objects. Learn the difference between 'this' (kore) and 'this [noun]' (kono) and how to navigate Japanese shopping etiquette.Read chapter 07Noun-Desu: Affirmative & NegativeLearn the foundational 'A is B' sentence structure. Master the copula 'desu' in its affirmative and negative forms to introduce yourself and describe the world.Read chapter 08Time & Particle にMaster the clock in Japanese! Learn how to tell time, count minutes, and use the particle 'ni' to specify exactly when an action occurs.Read chapter 09Places & Particles へ and でExpand your world by learning how to talk about where you are going and where you do things. Master the particles 'e' (direction) and 'de' (location/means).Read chapter 10Verb Conjugation: ます-formTake your first step into verb conjugation. Learn how to turn plain dictionary form verbs into the polite 'masu' form to speak respectfully to others.Read chapter 11Particle を & Verbs Part 2Master the direct object particle を (o) and expand your verb vocabulary. Learn how to describe daily actions and navigate Japanese dining etiquette.Read chapter 12Verb Groups & Dictionary FormUnlock the master key to Japanese grammar by learning how to classify verbs into three groups based on their dictionary forms (u-verbs, ru-verbs, irregular).Read chapter 13Existence Verbs: あります & いますLearn how to express that something exists and describe where it is using the verbs iru (animate) and aru (inanimate) with position words.Read chapter 14Adjectives Part 1: い-AdjectivesDiscover how to describe the world using い-Adjectives. Learn how these words conjugate like verbs to express tense and negativity.Read chapter 15Adjectives Part 2: な-AdjectivesDiscover the second group of Japanese adjectives: adjectival nouns (na-adjectives) that rely on the copula and the particle な to modify other words.Read chapter 16Basic Particles RecapConsolidate your knowledge of the 'glue' of the Japanese language: the particles that define topics, subjects, objects, and relationships.Read chapter 17Past Tense: Nouns & VerbsMaster the art of looking back. Learn how to describe past events, states, and feelings by conjugating nouns, adjectives, and verbs into the past tense.Read chapter 18Counters Part 1 & the て-form (Connector)Learn how to count objects in Japanese using the native number system and specific counters for small items, and master the essential て-form (te-form).Read chapter 19Counters Part 2: People & TimeMaster the counters for people and time durations, and learn how to compare items and quantities using comparative and superlative structures.Read chapter 20N5 Review & CapstoneSynthesize everything you have learned in the N5 curriculum through comprehensive review, complex dialogues, and a final assessment of your skills.Read chapter
N4
Pre-intermediate · Chapters 21–40
Connect everyday ideas
Level progress0/20
21日常生活の漢字 (N4 Kanji Part 1: Everyday Life)Expand your N4 kanji foundation with characters essential for everyday life, the human body, food vocabulary, and daily communication.Read chapter 22社会と仕事の漢字 (N4 Kanji Part 2: Society & Work)Expand your N4 kanji foundation with characters essential for school, education, company life, society, and expressing abstract feelings.Read chapter 23N4 Vocabulary (Expanding Your Word Bank)Expand your Japanese vocabulary with thematic words for family (humble vs. polite), the workplace, society, and expressing abstract emotions and feelings.Read chapter 24て-Form Extensions (The Power of TE)Unlock advanced nuances in Japanese by attaching auxiliary verbs like miru (try), shimau (regret/complete), oku (prepare), kuru, and iku to the te-form.Read chapter 25Giving & Receiving (あげる, もらう, くれる)Master the nuances of giving, receiving, and exchanging favors in Japanese by learning the directional verbs: ageru, morau, and kureru.Read chapter 26Potential Form (できる & V-られる)Learn how to express ability, possibility, and capability in Japanese using the potential form of verbs (dekiru, rareru).Read chapter 27Volitional Form (よう / しよう)Learn how to express intentions, make casual invitations, and describe attempting an action in Japanese using the volitional form.Read chapter 28Conditional (〜たら)Learn how to use the 'tara' conditional form to express 'if', 'when', and unexpected discoveries in natural Japanese conversations.Read chapter 29Conditionals (ば, と, なら)Master the remaining Japanese conditionals (ba, to, nara) to express natural consequences, general truths, and contextual advice.Read chapter 30Passive Voice (られる)Learn how to use the passive voice (rareru) to describe actions done to you, including the uniquely Japanese 'suffering passive'.Read chapter 31Causative Voice (させる)Learn how to use the causative voice (saseru) in Japanese to express making someone do something or letting someone do an action.Read chapter 32Causative-Passive (させられる)Combine the causative and passive forms in Japanese to express being made or forced to do something against your will.Read chapter 33Nominalization (の & こと)Learn how to turn sentences into nouns in Japanese using 'no' and 'koto' to express facts, actions, and perceptions.Read chapter 34Relative ClausesExpand your descriptive power in Japanese by learning how to modify nouns with entire sentences using relative clauses.Read chapter 35Transitive & Intransitive VerbsMaster the twin verbs of Japanese (transitive and intransitive) and learn how to express intentional actions vs. natural states.Read chapter 36Expressing ObligationLearn how to express strong obligation (must do), lack of obligation (don't have to), and moral advice (should) in Japanese.Read chapter 37Expressing Reason & CauseExpand beyond 'kara' and learn how to express reasons objectively, apologize correctly, and describe formal causes in Japanese.Read chapter 38Expressing ContrastLearn how to express 'but', 'although', and 'even if' using Japanese contrast conjunctions such as ga, noni, and temo.Read chapter 39Introduction to Keigo (Honorifics)Enter the world of Japanese business and extreme politeness by learning the three pillars of Keigo (Teineigo, Sonkeigo, and Kenjougo).Read chapter 40N4 CapstoneReview your journey through Japanese N4 grammar, vocabulary, and kanji, and prepare for the next step in your Japanese studies (N3).Read chapter
N3
Intermediate · Chapters 41–64
Speak with more nuance
Level progress0/24
1
Unit 1 · Intermediate Foundations
Chapters 41–44
41Reviewing Verb FormsRefresh the core Japanese verb forms and learn to identify each form quickly inside longer N3 sentences.Read chapter 42Transitive and Intransitive VerbsDescribe intentional actions, natural changes, and prepared states with transitive and intransitive verb pairs.Read chapter 43Giving and ReceivingChoose あげる, くれる, もらう, and favor expressions by tracking perspective, relationship, and politeness.Read chapter 44Preparing and Completing ActionsUse 〜ておく, 〜てしまう, 〜てみる, 〜ていく, and 〜てくる to describe preparation, completion, attempts, and change.Read chapter
2
Unit 2 · Time, Change, and Plans
Chapters 45–48
45Actions in ProgressDescribe an action just before it begins, in progress, just finished, recent, or interrupted in the middle.Read chapter 46Continuing and Repeated ActionsDescribe actions that continue, repeat, and change gradually with 〜続ける, 〜たびに, 〜ごとに, 〜につれて, and 〜にしたがって.Read chapter 47Decisions, Rules, and ChangeDistinguish personal decisions, outside arrangements, established rules, deliberate effort, and resulting change.Read chapter 48Plans and IntentionsChoose naturally among intentions, tentative ideas, fixed schedules, and continuing personal commitments.Read chapter
3
Unit 3 · Purpose, Cause, and Evidence
Chapters 49–52
49Goals, Purposes, and RequirementsExpress controllable purposes, desired outcomes, requirements, and long-term goals without confusing ために and ように.Read chapter 50Expressing ReasonsExplain personal, polite, formal, positive, and negative reasons with 〜から, 〜ので, 〜ため, 〜おかげで, and 〜せいで.Read chapter 51Results and Logical ConclusionsConnect events to results and explain conclusions with 結果, ことから, わけだ, and ということだ.Read chapter 52Appearance, Inference, and ReportsDistinguish what looks true, what evidence suggests, what you heard, and what logic makes likely.Read chapter
4
Unit 4 · Conditions and Nuance
Chapters 53–56
53Conditions, Requirements, and RegretBuild nuanced conditions with ないと, 限り, さえ〜ば, ばいい, and ばよかった.Read chapter 54Contrast and ConcessionExpress neutral, emotional, formal, and critical contrast with のに, ても, ながらも, くせに, and にしては.Read chapter 55Limits, Emphasis, and TypicalityControl focus and speaker attitude with しかない, さえ, こそ, なんて, ばかり, and だらけ.Read chapter 56Advice and Qualified JudgementMake careful judgements with べき, ことはない, わけではない, ないことはない, and とは限らない.Read chapter
5
Unit 5 · Written and Lexical Japanese
Chapters 57–60
57Formal Topics and RelationshipsRead formal relationships accurately with について, に関して, に対して, にとって, によって, and において.Read chapter 58Sequence and Event TriggersOrder events precisely with 際, とたん, てはじめて, てからでないと, and うちに.Read chapter 59Compound Verbs and CompletionRead productive compound verbs built from the ます-stem and understand how the second verb changes aspect and direction.Read chapter 60Degree, Comparison, and TendenciesDescribe degree and developing tendencies with ば〜ほど, に比べて, 一方だ, がち, 気味, and っぽい.Read chapter
6
Unit 6 · Natural and Integrated Japanese
Chapters 61–64
61Discourse Markers and Long SentencesFollow paragraph logic and locate the main clause in longer written Japanese.Read chapter 62Natural Spoken JapaneseUnderstand common contractions, sentence endings, and omitted information without copying casual forms into formal writing.Read chapter 63Integrated Reading and Listening WorkshopApply N3 grammar and vocabulary to notices, messages, short articles, and decision-focused listening.Read chapter 64N3 Integrated CapstoneComplete an integrated N3 capstone using grammar, vocabulary, reading, listening, and practical production.Read chapter