I need help with the online graphic novels

I just finished book 8, it was amazing especially with the last page ending on an absolute banger.

However i have strict parents, as i have kept my reading of this series a secret. So, im forced to reading online on websites, however i not able to find websites that provide beyond Book 9 besides apps. As this will give my secret away instantly. So, im forced to resort to online websites for these Graphic novels.