Sorry,Union! 3 is not avaiable yet. We will update Union! as soon as it is released.
If you want to read new chapter of Union! at the first time,you can subscribe it. We’ll send your the email as soon as Union! 3 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