Eromanga Sensei volume 9 finally translated:

Over at https://eromangaweb.wordpress.com/ volume 9 of Eromanga Sensei has finally been released in full.  There's no way Sagiri leaving the house would not be the climactic finale of the book, so I'm confident this chapter was the last.

Of course, this isn't the ending of the series.  There's still volume 10 to be translated, and however many additional volumes the author intends to write next.  But it's a step in the right direction.