Kotobook

Read Japanese literature
without getting stuck.

Classic short stories and novels, with furigana, on-demand dictionary, a personalized tutor to help with comprehension, and study tools to turn reading into learning.

羅生門 · Akutagawa Ryūnosuke

one day

Tap any underlined word.

Everything you need to get to the end of the page.

Pick a story at your level

Akutagawa, Sōseki, Dazai, Miyazawa. The original text, split into pages you can finish in one sitting.

Tap any word

Get kanji readings, word meanings, and kanji breakdowns on demand, without closing the book.

Keep what you look up

Save a word in one tap and find it on your Study list.

The classics, graded for learners.

Every story is marked with its JLPT level, N3 to N1, so you know what you’re getting into before page one.

Browse the library →
Premium

Meet Koto-chan, your reading tutor

Explanations, summaries, and quizzes, right when you need them.

Ask about any line

Highlight a line and Koto-chan explains the grammar, the nuance and the old-fashioned bits, in plain English, knowing exactly what story you’re in and what just happened.

Deepen comprehension

Koto-chan doesn’t just explain. She quizzes you on what you’ve read, picks out the vocabulary worth keeping, and brings it all back with spaced repetition until it sticks.

Ready to get started?

Free

No account needed to read. A free account saves your progress and your words.

  • Every story in the library
  • Tap-to-look-up dictionary and furigana
  • Save the words you look up

Premium

$3.33 a month billed yearly, or $4.99 monthly

  • Everything in Free
  • Koto-chan, your reading tutor: explanations, summaries, and quizzes as you read
  • Spaced-repetition practice for the words you save
  • Instant translations and summaries of any passage

Your first story is waiting.