Sorry,Rika 17 is not avaiable yet. We will update Rika as soon as it is released.
If you want to read new chapter of Rika at the first time,you can subscribe it. We’ll send your the email as soon as Rika 17 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