Recommendations for any yaoi/shounen ai that starts out with the couple already in a re...

-"Kanga na Spoon" ( http://www.mangago.me/read-manga/kanga_na_spoon/ )
-"Ubawareru Koto Marugoto Zenbu" ( http://www.mangago.me/read-manga/ubawareru_koto_marugoto_zenbu/ ) and its' sequel:
-"Suki Toiunoni Nazekashira" ( http://www.mangago.me/read-manga/suki_toiunoni_nazekashira/ )
-"Ai No Binzoko" ( http://www.mangago.me/read-manga/ai_no_binzoko/ )
some that popped in my mind (⌒▽⌒)

and a few more :)
-"Yorokobi wa Ude no Naka" ( http://www.mangago.me/read-manga/yorokobi_wa_ude_no_naka/ )
-"Line" ( http://www.mangago.me/read-manga/line_otsuki_miu/ )
-"Love Lesson" ( http://www.mangago.me/read-manga/love_lesson_chidori_peko/ )

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

Thank you so much

You make such a nice request! - I like it.
When I try to find for you then realize it's hard to find that plot.. will try more..

http://www.mangago.me/read-manga/hyakujitsu_no_bara/
http://www.mangago.me/read-manga/fukigen_kareshi_no_nadamekata/ ?
http://www.mangago.me/read-manga/fuson_na_hana_o_aisureba/ - Ch.3-5
http://www.mangago.me/read-manga/itoshii_to_iu_koto/mh/c006/4/ - Great One Shot
http://www.mangago.me/read-manga/sanzen_sekai_no_karasu_wo_koroshi/ - Vampire