Why can you guys not grasp this concept.
>Completed in COUNTRY OF ORIGIN
If you look further down, right before the chapter list, it says
>Last Chapter: Vol 3, Ch 17
This means the next chapter is the last one.
There will most likely be an Extra or an Epilogue, too. Most Yuri Hime comics do this (but it's not guaranteed ー just usually. We won't know unril the last volume actually comes out).