Vivi

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/

I don't know how long they should be, so, I'll just pour some I know...
http://www.mangago.me/read-manga/mauri_to_ryuu/mi/mi_chapter-1/
http://www.mangago.me/read-manga/sono_toki_heart_wa_nusumareta/
http://www.mangago.me/read-manga/devil_x_devil/
http://www.mangago.me/read-manga/kizudarake_no_airabuyuu/
http://www.mangago.me/read-manga/kanemochi_kun_to_binbou_kun/
http://www.mangago.me/read-manga/rikugun_renai_shikan_gakkou/
http://www.mangago.me/read-manga/reply/ <- The translation here is not very good. I think you should try it in mangafox.
http://www.mangago.me/read-manga/sangen_tonari_no_tooi_hito/
http://www.mangago.me/read-manga/royal_fiance/
http://www.mangago.me/read-manga/fingertip_s_love/
http://www.mangago.me/read-manga/jounetsu_kakumei/mh/c001/
http://www.mangago.me/read-manga/sannin_gurashi/

THANK YOU! ILL READ ALL OF THEM!!!!

http://www.mangago.me/read-manga/uchi_no_darling_gaikokujin/
http://www.mangago.me/read-manga/renai_kyoutei_nukegake_nashi/
http://www.mangago.me/read-manga/kanpeki_na_koibito/
http://www.mangago.me/read-manga/aisaretaino/
http://www.mangago.me/read-manga/croquis/
http://www.mangago.me/read-manga/ouji_hiroimashita/
http://www.mangago.me/read-manga/akunin_o_nakaseru_houhou/
http://www.mangago.me/read-manga/ai_ni_kizukeyo/ oneshot
http://www.mangago.me/read-manga/koi_wa_keiyaku_no_atode/ chapter 1+2
http://www.mangago.me/read-manga/kimi_no_karada_ni_koishiteru/
http://www.mangago.me/read-manga/cafe_latte_rhapsody/
http://www.mangago.me/read-manga/aishite_baby/

THANK YOU SO MUCH!!! I'M GOING TO HAVE SO MUCH TO READ NOW!!!!!!

you`re welcome, have fun reading XD

http://www.mangago.me/read-manga/mae_yori_mo_dare_yori_mo/ chapter 2