marriage of convenience is a rather broad term (any contractual marriage) and usually is more of a genre/type label. Maybe you could try describing the plot, characters, etc?
some manhua recs:
http://www.mangago.me/read-manga/here_u_are/?xK5A
http://www.mangago.me/read-manga/starting_with_a_lie/
http://www.mangago.me/read-manga/heaven_official_s_blessing/
http://www.mangago.me/read-manga/mo_dao_zu_shi_novel/
http://www.mangago.me/read-manga/10_years_where_i_loved_you_the_most/
http://www.mangago.me/read-manga/circle_wang_zi_ying/
Do you have the chinese title?
Hello, do some of you know this exact title of a chinese manhua called the marriage of convenience i don't know if this is the exact title because i can`t search it here.someone can help me please?
And recommendation for bl manhuas!