Recommendations

The only one I can think of is this one:
http://www.mangago.me/read-manga/faster_than_a_kiss/ (you probably read it already though)

Well, this is the only one I can remember... o_o
http://www.mangago.me/read-manga/faster_than_a_kiss/
But here are some suggestions:
http://www.mangago.me/read-manga/kare_wa_diablo/ (Not married, but they live together and have a contract :3)
http://www.mangago.me/read-manga/otona_pink/ (Not married, but lives with homeroom teacher)

http://www.mangago.me/read-manga/after_school_wedding/