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