chapter 1 and links to few stores selling volumes
http://www.jp.square-enix.com/magazine/joker/series/ragna/index.html
those searching for raws can look them (if they want) from:
- lhscans.com (japanese, c1-6, c8, c8.5, c8.6)
- marumaru.in (korean, c1-8, 8.5)
(chapters available when updating this post)
direct links not provided, as they are not from "official" publisher.
I do not endorse you to go to these site and search from their content, I just inform you that these site has what you're looking for.
Edited by garismaatti, 27 December 2017 - 10:23 PM.