Sorry,Working!! - Secret Memories 4 is not avaiable yet. We will update Working!! - Secret Memories as soon as it is released.
If you want to read new chapter of Working!! - Secret Memories at the first time,you can subscribe it. We’ll send your the email as soon as Working!! - Secret Memories 4 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