Sorry,Stand Up! (YAMAKAWA Aiji) 18 is not avaiable yet. We will update Stand Up! (YAMAKAWA Aiji) as soon as it is released.
If you want to read new chapter of Stand Up! (YAMAKAWA Aiji) at the first time,you can subscribe it. We’ll send your the email as soon as Stand Up! (YAMAKAWA Aiji) 18 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