Help Center

Open the Register page, then fill in your name, email, and password. Your free account is active immediately after sign-up.

Use the email and password you registered with on the Login page. Your session will be saved on your device.

Use the "Forgot password" link on the Login page. We'll send a reset link to your email.

Open the material and choose Flashcard mode. Flip the card to see the meaning and furigana, then mark "Remember" or "Still Learning".

Yes. As long as you are signed in, your learning progress syncs automatically across all your devices.

Pick a chapter on the Quiz page, answer each question, then view your score and explanations when you finish.

A Free plan is available, plus 1 Month and 3 Month plans that unlock all premium features.

Open the Subscription page, choose a plan, and complete the payment. Premium activates immediately.

You can cancel anytime. Premium access stays active until the end of the paid period.

Unlimited access to all material, flashcards and quizzes, progress sync, ad-free learning, and priority support.