hi! try these, but for some it looks like they’ll end up with one person but it isn’t specified:
http://www.mangago.me/read-manga/it_looks_like_i_ve_fallen_into_the_world_of_a_reverse_harem_game/
http://www.mangago.me/read-manga/truthfully_they_only_remembered_her/
http://www.mangago.me/read-manga/kenka_bancho_otome_koi_no_battle_royale/
http://www.mangago.me/read-manga/inso_s_law/ for now
http://www.mangago.me/read-manga/milady_just_wants_to_relax/
http://www.mangago.me/read-manga/death_is_the_only_ending_for_the_villainess/
http://www.mangago.me/read-manga/lady_rose_wants_to_be_a_commoner/
http://www.mangago.me/read-manga/beware_of_the_villainess/
http://www.mangago.me/read-manga/i_ve_become_the_villainous_emperor_of_a_novel/
http://www.mangago.me/read-manga/charlotte_has_five_disciples/?67XV
reverse harems that stay like that not the fl choosing one ml