Gallery of Volume Covers

I've found volume covers for the first 12 mangas.  I don't know if that means that it's complete in Japan with these 12 or if it's still being published.  If anyone knows, I'll be more than happy to share the information.

Volume 1

Volume 2

Volume 3

Volume 4

Volume 5

Volume 6

Volume 7

Volume 8

Volume 9

Volume 10

Volume 11

Volume 12