Most Viewed FAQs

Booking method for when there is a shortage of coins (app version)

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If a member's coins are insufficient, a message indicating the shortage of coins will be displayed. ...

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How much bandwidth (speed) does the app use?

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The required bandwidth varies during the lesson depending on whether the video is displayed or not. ...

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How to re-subscribe/start free trial

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With the following steps, you can proceed with re-subscribing our service. *After re-subscribing, yo...

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I can't see the chat box. Please tell me how to fix it.

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In some PCs, the chat box during the lesson may be hidden. To display the chat box, please try the f...

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How can I change the textbooks or chapters during the lesson? (App)

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The methods for changing textbooks and chapters are as follows.  [textbook change method] You can ch...

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