Looks like there are currently 8 volumes translated, and 9th will be coming out in November
https://www.sublimemanga.com/read/black-or-white/section/1343/more
The novel is currently being translated into English if anyone is interested I dropped the link below
https://readhive.org/series/46416/#releases
There are 5 extra epilogues to this story. Can't wait to read them. Really enjoyed this manga
https://ridibooks.com/books/4607000001 ( you need to have access 19+ content here tho)
and looks like its still continuing with blond friend's side stories
This manga has some of the best smutty scenes! Yes, it's a rollercoaster but the artist does an amazing job showing the emotions