There are seventeen volumes.
there are 99 chapters, i heard that there is possibly a 100th chapter, but for those of you that have not read it, i really recomend it.
No
10 volumes.
4 volumes
4 volumes
there are 33 volumes
It has 3 volumes.
There are 23 volumes.
it has 566 volumes
60 volumes.
There is a total of 4 volumes for Merupuri
There are 12 volumes total