Not the same but some northern dukes
https://www.mangago.me/read-manga/i_raised_my_fianc_with_money/
https://www.mangago.me/read-manga/how_to_get_my_husband_on_my_side/
https://www.mangago.me/read-manga/marriage_of_convenience_scylla_scans/
https://www.mangago.me/read-manga/my_husband_hides_his_beauty/
i asked this question before and here are the recs i got i haven't read any of them yet tho
https://www.mangago.me/read-manga/how_to_get_my_husband_on_my_side/
https://www.mangago.me/read-manga/is_it_a_fortune_or_is_it_a_woe/
https://www.mangago.me/read-manga/the_time_of_the_terminally_ill_extra/
https://www.mangago.me/read-manga/marriage_of_convenience_scylla_scans/
https://www.mangago.me/read-manga/under_the_oak_tree/
https://www.mangago.me/read-manga/i_became_the_wife_of_the_male_lead_bored_corona_kids_version/
https://www.mangago.me/read-manga/my_second_husband_desperate_and_depressed/
https://www.mangago.me/read-manga/i_will_seduce_the_northern_duke/
https://www.mangago.me/read-manga/royal_marriage/
https://www.mangago.me/read-manga/leveling_my_husband_to_the_max/
does anyone has recs for bg manhwas where there is northern grand duke ? like my in laws are obssessed with me ? please and thank you <3