Sorry,Red Blue 37 is not avaiable yet. We will update Red Blue as soon as it is released.
If you want to read new chapter of Red Blue at the first time,you can subscribe it. We’ll send your the email as soon as Red Blue 37 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