📅 Learn one lesson every day

Master ・한국어
& Русский

A daily language-learning adventure — Japanese & Korean with Traditional Chinese guidance, Russian in English. Inspired by the Advent of Code format.

🇯🇵 Start Japanese 🇰🇷 Start Korean 🇷🇺 Start Russian Learn more

🗓 Start Here — Lesson 1

Pick your language and begin your first lesson today.

Te-Form Connections

Master the て-form to chain actions and link clauses naturally.

Open Lesson →
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Korean Beginner → Intermediate · 20 Days
Day 1

Hangul Vowels

Learn the 10 basic Korean vowels and how they sound compared to Mandarin.

Open Lesson →
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Russian Beginner → Advanced
Day 1

The Cyrillic Alphabet

Learn the 33 letters of the Russian Cyrillic alphabet and their sounds.

Open Lesson →

🇯🇵 30-Day Japanese Calendar

Click any day to jump into that lesson. Work through them in order for best results.

🇰🇷 Korean Learning Path

Start from Hangul and build up to everyday conversations, guided in Traditional Chinese (繁體中文).

Day 1 ㅏ Hangul Vowels Day 2 ㄱ Hangul Consonants Day 3 글 Syllable Blocks Day 4 안 Greetings and Basic … Day 5 수 Korean Numbers Day 6 색 Colors and Basic … Day 7 은 Subject and Topic … Day 8 를 Object Marker and … Day 9 해 Present Tense Day 10 ? Asking Questions Day 11 했 Past Tense Day 12 갈 Future Tense Day 13 안 Negation Day 14 에 Location and Direction Day 15 시 Time Expressions Day 16 고 Connecting Clauses Day 17 싶 Expressing Desire Day 18 밥 Food and Ordering at a … Day 19 값 Shopping and Prices Day 20 복 Review and …

🇷🇺 Russian Learning Path

Start from the Cyrillic alphabet and grow your Russian day by day.

Day 1 А The Cyrillic Alphabet Day 2 Б Pronunciation Rules Day 3 В Greetings & … Day 4 Г Numbers 1–20 Day 5 Д Colors & Basic … Day 6 Е Nouns & Grammatical … Day 7 Ж Personal Pronouns Day 8 З To Be (быть) & Present … Day 9 И Nominative & … Day 10 Й Common Verbs — … Day 11 К Genitive Case — … Day 12 Л Dative Case — To / For Day 13 М Instrumental Case — … Day 14 Н Prepositional Case — … Day 15 О Verb Aspects — … Day 16 П Past Tense Day 17 Р Future Tense Day 18 С Adjective Agreement Day 19 Т Common Phrases & … Day 20 У Reading Practice & …

How GZen Works

One lesson per day, structured like an advent calendar. Simple, consistent, effective.

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Pick a Day

Choose any day from the calendar above. Start from Day 1 and work forward.

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Study the Lesson

Learn vocabulary, grammar patterns, and reading passages with furigana support.

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Practice

Reveal quiz answers, repeat example sentences aloud, track your progress.

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Level Up

Mark lessons complete and watch your progress bar climb toward fluency.