Sorry,Kaidan Loop 40 is not avaiable yet. We will update Kaidan Loop as soon as it is released.
If you want to read new chapter of Kaidan Loop at the first time,you can subscribe it. We’ll send your the email as soon as Kaidan Loop 40 updates.

Have more fun on facebook:

https://www.facebook.com/mangahomelife/

Or enjoy fantasy shoujo moments on tumblr:

https://onlyshoujo.tumblr.com/

You can read some other great manga to kill time