Sorry,Demian Syndrome 23 is not avaiable yet. We will update Demian Syndrome as soon as it is released.
If you want to read new chapter of Demian Syndrome at the first time,you can subscribe it. We’ll send your the email as soon as Demian Syndrome 23 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