Sorry,Study Group 255 is not avaiable yet. We will update Study Group as soon as it is released.
If you want to read new chapter of Study Group at the first time,you can subscribe it. We’ll send your the email as soon as Study Group 255 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