The official website of Jump SQ magazine announced the cover for its March issue, featuring GATE7:

There was also a 1 page increase in the debut chapter. At first, 43 pages were scheduled, now Jump SQ website says 44 pages. Yay? xD

Only a few more days before the debut of GATE7! The magazine goes on sale February 4.

Update: Preview pictures from the chapter (from Jump SQ’s website):