#072 of 2D Dream Digital Anthology series, this is the 1st entry of "Comic Prism EXTRA", only 3 made to date and Comic Prism has been in hiatus state. No physical version of this series being made yet.
To support the artists, get this copy from: http://www.dlsite.com/books/work/=/product_id/BJ015467.html/
PM me if you would like to commission a physical scan for missing works/quality upgrade, or any DRM-free PDF rip. You can also put up bounties for them.