You can cancel your account anytime without any restriction. We won't take any offence :)
First of all we hope that you will continue to practice in English Ninjas again soon.
English Ninjas provides monthly subscriptions. If you don't want to continue English Ninjas next month, you have to turn-off "Auto Renew" option.
How to Turn-Off Auto-Renew Option :
1) Go to the "My Subscription" page
2) Push "Turn Off" button
Your package is cancelled.
Do not forget to practice minimum 4 months in English Ninjas.
Our education department suggests minimum 4 month of practice.
You should regularly practice in order to keep your English skills alive